A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes.
A schistosomicide possibly useful against other parasites. It has irritant emetic properties and may cause lethal cardiac toxicity among other adverse effects.
Antimony complex where the metal may exist in either the pentavalent or trivalent states. The pentavalent gluconate is used in leishmaniasis. The trivalent gluconate is most frequently used in schistosomiasis.
Substances that are destructive to protozoans.
1-Deoxy-1-(methylamino)-D-glucitol. A derivative of sorbitol in which the hydroxyl group in position 1 is replaced by a methylamino group. Often used in conjunction with iodinated organic compounds as contrast medium.
A parasitic hemoflagellate of the subgenus Leishmania leishmania that infects man and animals and causes visceral leishmaniasis (LEISHMANIASIS, VISCERAL). The sandfly genera Phlebotomus and Lutzomyia are the vectors.
A chronic disease caused by LEISHMANIA DONOVANI and transmitted by the bite of several sandflies of the genera Phlebotomus and Lutzomyia. It is commonly characterized by fever, chills, vomiting, anemia, hepatosplenomegaly, leukopenia, hypergammaglobulinemia, emaciation, and an earth-gray color of the skin. The disease is classified into three main types according to geographic distribution: Indian, Mediterranean (or infantile), and African.
A class of compounds of the type R-M, where a C atom is joined directly to any other element except H, C, N, O, F, Cl, Br, I, or At. (Grant & Hackh's Chemical Dictionary, 5th ed)
An endemic disease that is characterized by the development of single or multiple localized lesions on exposed areas of skin that typically ulcerate. The disease has been divided into Old and New World forms. Old World leishmaniasis is separated into three distinct types according to epidemiology and clinical manifestations and is caused by species of the L. tropica and L. aethiopica complexes as well as by species of the L. major genus. New World leishmaniasis, also called American leishmaniasis, occurs in South and Central America and is caused by species of the L. mexicana or L. braziliensis complexes.
Inorganic compounds that contain TECHNETIUM as an integral part of the molecule. Technetium 99m (m=metastable) is an isotope of technetium that has a half-life of about 6 hours. Technetium 99, which has a half-life of 210,000 years, is a decay product of technetium 99m.
A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed)
A disease caused by any of a number of species of protozoa in the genus LEISHMANIA. There are four major clinical types of this infection: cutaneous (Old and New World) (LEISHMANIASIS, CUTANEOUS), diffuse cutaneous (LEISHMANIASIS, DIFFUSE CUTANEOUS), mucocutaneous (LEISHMANIASIS, MUCOCUTANEOUS), and visceral (LEISHMANIASIS, VISCERAL).
A genus of flagellate protozoa comprising several species that are pathogenic for humans. Organisms of this genus have an amastigote and a promastigote stage in their life cycles. As a result of enzymatic studies this single genus has been divided into two subgenera: Leishmania leishmania and Leishmania viannia. Species within the Leishmania leishmania subgenus include: L. aethiopica, L. arabica, L. donovani, L. enrietti, L. gerbilli, L. hertigi, L. infantum, L. major, L. mexicana, and L. tropica. The following species are those that compose the Leishmania viannia subgenus: L. braziliensis, L. guyanensis, L. lainsoni, L. naiffi, and L. shawi.
A parasitic hemoflagellate of the subgenus Leishmania viannia that infects man and animals. It causes cutaneous (LEISHMANIASIS, CUTANEOUS), diffuse cutaneous (LEISHMANIASIS, DIFFUSE CUTANEOUS), and mucocutaneous leishmaniasis (LEISHMANIASIS, MUCOCUTANEOUS) depending on the subspecies of this organism. The sandfly, Lutzomyia, is the vector. The Leishmania braziliensis complex includes the subspecies braziliensis and peruviana. Uta, a form of cutaneous leishmaniasis in the New World, is caused by the subspecies peruviana.
Activation analysis in which the specimen is bombarded with neutrons. Identification is made by measuring the resulting radioisotopes. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A disease characterized by the chronic, progressive spread of lesions from New World cutaneous leishmaniasis caused by species of the L. braziliensis complex to the nasal, pharyngeal, and buccal mucosa some time after the appearance of the initial cutaneous lesion. Nasal obstruction and epistaxis are frequent presenting symptoms.
Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration.
Inorganic salts or organic esters of arsenious acid.
A general class of integral membrane proteins that transport ions across a membrane against an electrochemical gradient.
Efflux pumps that use the energy of ATP hydrolysis to pump arsenite across a membrane. They are primarily found in prokaryotic organisms, where they play a role in protection against excess intracellular levels of arsenite ions.
The structural parts of the VIRION.
Substances that comprise all matter. Each element is made up of atoms that are identical in number of electrons and protons and in nuclear charge, but may differ in mass or number of neutrons.
A loose confederation of computer communication networks around the world. The networks that make up the Internet are connected through several backbone networks. The Internet grew out of the US Government ARPAnet project and was designed to facilitate information exchange.
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)
A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].
Devices which accelerate electrically charged atomic or subatomic particles, such as electrons, protons or ions, to high velocities so they have high kinetic energy.
Exclusive legal rights or privileges applied to inventions, plants, etc.
Substances produced from the reaction between acids and bases; compounds consisting of a metal (positive) and nonmetal (negative) radical. (Grant & Hackh's Chemical Dictionary, 5th ed)
A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.
Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)
A condition in which the FORAMEN OVALE in the ATRIAL SEPTUM fails to close shortly after birth. This results in abnormal communications between the two upper chambers of the heart. An isolated patent ovale foramen without other structural heart defects is usually of no hemodynamic significance.
The relative amounts of various components in the body, such as percentage of body fat.
A form of phototherapy using color to influence health and to treat various physical or mental disorders. The color rays may be in the visible or invisible spectrum and can be administered through colored lights or applied mentally through suggestion.
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.
The visually perceived property of objects created by absorption or reflection of specific wavelengths of light.
Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,000 megahertz (extremely high frequency - EHF). They are used in television and radio broadcasting, land and satellite communications systems, radionavigation, radiolocation, and DIATHERMY. The highest frequency radio waves are MICROWAVES.
A blue-green biliprotein widely distributed in the plant kingdom.
A plant photo regulatory protein that exists in two forms that are reversibly interconvertible by LIGHT. In response to light it moves to the CELL NUCLEUS and regulates transcription of target genes. Phytochrome B plays an important role in shade avoidance and mediates plant de-etiolation in red light.
Machine readable patient or equipment identification device using radio frequency from 125 kHz to 5.8 Ghz.
Disorders associated with acute or chronic exposure to compounds containing ARSENIC (ARSENICALS) which may be fatal. Acute oral ingestion is associated with gastrointestinal symptoms and an encephalopathy which may manifest as SEIZURES, mental status changes, and COMA. Chronic exposure is associated with mucosal irritation, desquamating rash, myalgias, peripheral neuropathy, and white transverse (Mees) lines in the fingernails. (Adams et al., Principles of Neurology, 6th ed, p1212)
Community health and NURSING SERVICES providing coordinated multiple services to the patient at the patient's homes. These home-care services are provided by a visiting nurse, home health agencies, HOSPITALS, or organized community groups using professional staff for care delivery. It differs from HOME NURSING which is provided by non-professionals.
Special hospitals which provide care for ill children.
Inorganic or organic compounds that contain arsenic.
An arsenical that has been used as a dermatologic agent and as an herbicide.
Extensive collections, reputedly complete, of facts and data garnered from material of a specialized subject area and made available for analysis and application. The collection can be automated by various contemporary methods for retrieval. The concept should be differentiated from DATABASES, BIBLIOGRAPHIC which is restricted to collections of bibliographic references.
Books used in the study of a subject that contain a systematic presentation of the principles and vocabulary of a subject.
Compounds used extensively as acetylation, oxidation and dehydrating agents and in the modification of proteins and enzymes.
Subset of helper-inducer T-lymphocytes which synthesize and secrete the interleukins IL-4, IL-5, IL-6, and IL-10. These cytokines influence B-cell development and antibody production as well as augmenting humoral responses.
Subset of helper-inducer T-lymphocytes which synthesize and secrete interleukin-2, gamma-interferon, and interleukin-12. Due to their ability to kill antigen-presenting cells and their lymphokine-mediated effector activity, Th1 cells are associated with vigorous delayed-type hypersensitivity reactions.
Books designed to give factual information or instructions.
The quality of SEMEN, an indicator of male fertility, can be determined by semen volume, pH, sperm concentration (SPERM COUNT), total sperm number, sperm viability, sperm vigor (SPERM MOTILITY), normal sperm morphology, ACROSOME integrity, and the concentration of WHITE BLOOD CELLS.
... with formal negative charges on the oxygen atoms and a formal plus two charge on the sulfur. The antimony atoms will also have ... In the presence of FSO3D rather than FSO3H, methane has been shown to interchange hydrogen atoms for deuterium atoms, and HD is ... Larger alkanes, such as ethane, are also reactive in magic acid, and both exchange hydrogen atoms and condense to form larger ... In these ions, two electrons are delocalized over more than two atoms, rendering these bond centers so electron deficient that ...
It can be considered as a derivative of silane with two hydrogen atoms replaced with fluorine. Difluorosilane can be made by ... fluorinating dichlorosilane with antimony trifluoride. 3 SiH2Cl2 + 2 SbF3 → 3 SiH2F2 + 2 SbCl3 Some is also made in a reaction ... In an electric discharge, hydrogen atoms are preferentially removed from the molecule and SiHF2SiHF2 is formed along with ... difluorosilane can disproportionate by swapping hydrogen and fluorine atoms between molecules to form fluorosilane and ...
Nickel atoms can connect to surrounding atoms or ligands in a variety of ways. Six coordinated nickel is the most common and is ... Non-stoichiometric compounds of nickel with phosphorus, arsenic and antimony exist, and some are found in nature. One ... Hot nickel vapour reacting with other atoms in the gas phase can produce molecules consisting of two atoms. These can be ... where the bold bits are ligands for the nickel atom. Nickel transporter proteins exist to move nickel atoms in the cell. in E. ...
It consists of linear chains of tungsten atoms each in octahedral geometry. Of six chloride ligands attached to each W center, ... Many reductants have been reported, including red phosphorus, tungsten hexacarbonyl, gallium, tin, and antimony. The latter is ...
SiO2 is tetrahedral with each silicon atom surrounded by 4 oxygen atoms. Numerous crystalline forms exist with the tetrahedra ... The antimony-silicon system comprises a single eutectic close to the melting point of Sb. The bismuth system is a monotectic. ... Gold forms a eutectic at 363 °C with 2.3% silicon by weight (18% atom percent) without mutual solubility in the solid state. ... With aluminium, a post-transition metal, a eutectic is formed (577 °C @ 12.2 atom % Al) with maximum solubility of silicon in ...
... with one of the carbon atoms in the 6-membered ring replaced by an antimony (Sb) atom. Stibinin is a molecule that is ... and antimony atoms. The synthesis of stibinin can be accomplished in a three step process. The final product can be isolated, ... with antimony trichloride, to yield 1-chloro-1-stibacyclohexa-2,5-diene. C 13 H 24 Sn + SbCl 3 ⟶ C 5 H 6 SbCl {\displaystyle {\ ...
It can be viewed as a structural analog of pyrrole, with antimony replacing the nitrogen atom of pyrrole. Substituted ...
Furthermore, the nitrogen atom may be replaced by a phosphorus, arsenic, or antimony atom (the heavier nonmetallic pnictogens ... if the sodium atom was replaced by a lithium atom, the electrons will not be attracted as close to the chlorine atom as before ... No atoms were identified, leading to a limiting yield of 300 nb. 254 99Es + 48 20Ca → 302 119Uue * → no atoms It is highly ... As a metal is heated to its melting point, the metallic bonds keeping the atoms in place weaken so that the atoms can move ...
SiClF3 can be made by reacting silicon tetrachloride with antimony trifluoride. An antimony pentachloride catalyst assists. The ... SiClF3− is a trigonal bipyramidal shape with a Cl and F atom on the axis. It is formed when gamma rays hit the neutral molecule ... It is a silane that substitutes hydrogen with fluorine and chlorine atoms. By heating a mixture of anhydrous aluminium chloride ... Stanton, C. T.; McKenzie, S. M.; Sardella, D. J.; Levy, R. G.; Davidovits, Paul (August 1988). "Boron atom reactions with ...
... or pentamethylstiborane is an organometalllic compound containing five methyl groups bound to an antimony atom with formula Sb( ... Some other antimony(V) organometallic compounds include pentapropynylantimony (Sb(CCCH3)5) and pentaphenyl antimony (Sb(C6H5)5 ... The molecules rapidly change carbon atom position, so that in NMR spectrum as low as −100°C, there is only one kind of hydrogen ... The length of the antimony-carbon bond is around 214 pm for equatorial methyl groups and 222 pm for the axial positions. The ...
In comparison, the tendency of antimony (being a heavier atom) to oxidize more easily partially offsets the effect of its 4d10 ... Metallic antimony is relatively non-toxic, but most antimony compounds are poisonous. Two antimony compounds, sodium ... Antimony is capable of displacing hydrogen from water, when heated: 2 Sb + 3 H2O → Sb2O3 + 3 H2. It melts at 631 °C. Antimony ... Its alloys include pewter (a tin alloy with up to 20% antimony) and type metal (a lead alloy with up to 25% antimony). ...
Imidogen, a radical composed of one hydrogen atom and one nitrogen atom (NH), can be classed as a pnictogen hydride. Ammonium ... Arsine decomposes to arsenic and hydrogen at 250-300 °C, stibine to antimony and hydrogen at room temperature, and bismuthine ... Pnictogen hydrides or hydrogen pnictides are binary compounds of hydrogen with pnictogen atoms (elements of group 15: nitrogen ... phosphorus, arsenic, antimony, and bismuth) covalently bonded to hydrogen. The simplest series has the chemical formula XH3 ( ...
The atoms are arranged in warped graphite-like sheets, which extend normal to the c axis. Weak bonding between the sheets ... Stibarsen is often mixed with pure arsenic or antimony, and the original description in 1941 proposed to use stibarsen for AsSb ... Stibarsen or allemontite is a natural form of arsenic antimonide (AsSb) or antimony arsenide (SbAs). The name stibarsen is ... Stibarsen has the same crystal structure as arsenic and antimony, with the intermediate values of the lattice parameters. This ...
The most common allotropes are in the form of eight-atom rings, but other molecular allotropes that contain as few as two atoms ... Müller assumed at first that the sample was pure antimony, but tests he ran on the sample did not agree with this. Muller then ... The first successful production of livermorium was achieved by bombarding curium-248 atoms with calcium-48 atoms. As of 2011, ... When an atom forms two single bonds, they form an angle between 90° and 120°. In 1+ cations, such as H 3O+ , a chalcogen forms ...
A triselenide is a compound or ion which contains three selenium atoms or ions. Some examples include: Arsenic triselenide - ... Ar2Se3 Niobium triselenide - NbSe3 Antimony triselenide - Sb2Se3 Gallium(III) selenide - Ga2Se3 This set index page lists ...
In other words, similar-sized atoms would cause a mole of arsenic to be 63% larger than a mole of antimony, with a ... to simple volumes in this case is due to lighter arsenic atoms being significantly more closely packed than antimony atoms, ... This is mostly due to differences in the physical size of atoms. Atoms vary greatly in density, with the heaviest often being ... If all atoms were the same size, molar and volumetric heat capacity would be proportional and differ by only a single constant ...
Antimony tetroxide is a mixed-valence compound, where half of the antimony atoms are in the +3 oxidation state, and the other ... Antimony forms antimony(III) oxide and antimonite but not oxyacids. Its trihalides, antimony trifluoride, antimony trichloride ... Antimony was well known to the ancients. A 5000-year-old vase made of nearly pure antimony exists in the Louvre. Antimony ... Antimony currency was briefly used in the 1930s in parts of China, but this use was discontinued as antimony is both soft and ...
... is due to lighter arsenic atoms being significantly more closely packed than antimony atoms, instead of similar size. In other ... where n is the number of atoms per molecule. Thus n atoms of a solid should in principle store twice as much energy as n atoms ... The atom-molar heat capacity of a polyatomic gas approaches that of a solid as the number n of atoms per molecule increases. As ... A closely related property of a substance is the heat capacity per mole of atoms, or atom-molar heat capacity, in which the ...
When an acceptor atom replaces a silicon atom in the crystal, a vacant state (an electron "hole") is created, which can move ... The conductivity of silicon is increased by adding a small amount (of the order of 1 in 108) of pentavalent (antimony, ... To get the impure atoms embedded in the silicon wafer, the wafer is first put in a 1,100 degree Celsius chamber. The atoms are ... A 1 cm3 specimen of a metal or semiconductor has the order of 1022 atoms. In a metal, every atom donates at least one free ...
Donor impurity atoms, such as boron or phosphorus in the case of silicon, can be added to the molten intrinsic material in ... or antimony which is added to the melt and defines the wafer as either bulk n-type or p-type. However, compared with single- ... crystal silicon's atomic density of 5×1022 atoms per cm3, this still gives a purity greater than 99.9999%. The wafers can also ... but are instead formed with an initial impurity doping concentration between 1013 and 1016 atoms per cm3 of boron, phosphorus, ...
2 Crystallographic analysis shows that the magnesium atom is coordinated to 6 fluorine atoms. Four of the fluorine atoms are ... The XeF+ cation is formed by combining xenon difluoride with a strong fluoride acceptor, such as an excess of liquid antimony ... A similar reaction is: Mg(AsF6)2 + 2 XeF2 → [Mg(XeF2)2](AsF6)2 In the crystal structure of this product the magnesium atom is ... The structure of the salt is such that half of the Ca2+ ions are coordinated by fluorine atoms from xenon difluoride, while the ...
Isotopic substitution of one of two deuterium atoms for a hydrogen atom causes the environment of nearby NMR-active atoms to ... The NMR spectrum of the antimony chloropentafluoride salt of the 2-norbornyl cation is not helpful at room temperature because ... Volume I: Nucleophilic Substitution at a Saturated Carbon Atom. Amsterdam: Elsevier Publishing Company. pp. 59-67. ,volume= has ... the positive charge of an intermediate cation was not assigned to a single atom but rather to the structure as a whole. This ...
β-BiF3 has the YF3 structure where the bismuth atom has distorted 9 coordination, tricapped trigonal prism. This structure is ... AsF3 and antimony trifluoride, SbF3, where MX3 molecular units are present in the solid. BiF3 is unaffected by water and is ...
A pentachloride is a compound or ion that contains five chlorine atoms or ions. Some examples include: Antimony pentachloride, ...
The exchange reaction works with iodoform and bromoform, and the exchange of the first two halogen atoms by fluorine is ... By changing to a two step process, first forming a bromodifluoro methane in the reaction of antimony trifluoride with bromoform ...
Antimony-124 is assembled with beryllium to make laboratory neutron sources and startup neutron sources. Antimony-124 (half- ... A photon carrying 1.67 MeV or more energy can photodisintegrate an atom of beryllium-9 (100% of natural beryllium, its only ... Gamma rays from antimony-124 split beryllium-9 into two alpha particles and a neutron with an average kinetic energy of 24keV, ... A photon carrying 2.22 MeV or more energy can photodisintegrate an atom of deuterium: James Chadwick and Maurice Goldhaber used ...
... copper-antimony (copper, antimony, alloys list), germanium Power Power (physics), electric power, power in an alternating ... Materials Atoms and atomic spheres (kissing number problem), state of matter (chemical state), particles (neutral particle), ... Lenz used the effect to freeze small quantities of water by the cold developed in a bismuth-antimony junction when a voltaic ...
However, in the case of BiOCl, the salt crystal forms in a structure of alternating plates of Bi, O, and Cl atoms, with each ... Its toxicity is much lower than that of its neighbors in the periodic table, such as lead, antimony, and polonium. No other ... Many of its chemical properties are similar to those of arsenic and antimony, although they are less toxic than derivatives of ... This compound is found as the mineral bismoclite and in crystal form contains layers of atoms (see figure above) that refract ...
Melting point: 340 °C to 355 °C. Boiling point: near 470 °C. Each of the semimetal atoms, arsenic and antimony, is bonded to ... with each sulfur atom bonded to two semimetal atoms. The occupancy of the metal sites is disordered, and within the sheets the ... Getchellite is a rare sulfide of arsenic and antimony, AsSbS3, that was discovered by B. G. Weissberg of the New Zealand ... three sulfur atoms to form a trigonal pyramid characteristic of elements in group V of the periodic table. These (As,Sb)S 3 ...
Br− + Br2 → Br3− Tribromide may also refer to binary chemical compounds containing three bromine atoms: Aluminium tribromide, ... AlBr3 Antimony tribromide, SbBr3 Arsenic tribromide, AsBr3 Bismuth tribromide, BiBr3 Boron tribromide, BBr3 Chromium tribromide ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... The first atoms of lawrencium were produced by bombarding a three-milligram target consisting of three isotopes of the element ... Pyykkö, Pekka (2011). "A suggested periodic table up to Z ≤ 172, based on Dirac-Fock calculations on atoms and ions". Physical ... thus making the extraction of the electrons from the atom to form metallic bonding more difficult, and thus making the metal ...
... the nitrogen atom may be replaced by a phosphorus, arsenic, or antimony atom (the heavier nonmetallic pnictogens), creating a ... if the sodium atom was replaced by a lithium atom, the electrons will not be attracted as close to the chlorine atom as before ... Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... no atoms[note 6]. It is highly unlikely[38] that this reaction will be able to create any atoms of ununennium in the near ...
Antimony potassium tartrate - K2Sb2(C4H2O6)2 ...
... contain four coordinate Te with the oxygen atoms at four of the corners of a trigonal bipyramid. In paratellurite all vertices ... Antimony tetroxide (Sb2O4). *Cobalt(II,III) oxide (Co3O4) ...
Crystal structure results from the orderly geometric spatial arrangement of atoms in the internal structure of a mineral. This ... in which a metallic element is bonded to sulfur and a semimetal such as antimony, arsenic, or bismuth. Like the sulfides, ... close-packed structures is a way to densely pack atoms while minimizing interstitial space. Hexagonal close-packing involves ... Disilicates (or sorosilicates) have two tetrahedra sharing one oxygen atom. Inosilicates are chain silicates; single-chain ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Another laser that "ticks" 518 trillion times per second provokes a transition between two energy levels in the atoms. The ... leading to ytterbium atoms in two different six coordinate (non-octahedral) environments.[24] Ytterbium(III) oxide can be ... rely on about 10,000 rare-earth atoms cooled to 10 microkelvin (10 millionths of a degree above absolute zero) and trapped in ...
Prepared by bombardment of californium with nitrogen atoms by Ghiorso's team and by bombardment of americium with neon atoms by ... Antimony Before AD 815 Before AD 815 Jabir ibn Hayyan Middle East Dioscorides and Pliny both describe the accidental production ... Prepared by bombardment of californium with oxygen atoms.[152] 107 Bohrium 1981 G.Münzenberg et al. (GSI in Darmstadt) Obtained ... Prepared by bombardment of lead with iron atoms[155] 110 Darmstadtium 1994 S. Hofmann et al. (GSI in Darmstadt) Prepared by ...
... compound Arrhenius equation arsenic Arthur Harden Artturi Ilmari Virtanen Arfvedsonite Asbestos Astatine Astrochemistry atom ... Analcim Analcite Analytical chemistry Anatase Andalusite Andesite Anglesite Anorthite Anorthoclase Anorthosite Antimony Antoine ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Polygermanes-compounds that are similar to alkanes-with formula GenH2n+2 containing up to five germanium atoms are known.[33] ... He initially considered the new element to be eka-antimony, but was soon convinced that it was instead eka-silicon.[7][8] ... Although the new element somewhat resembled arsenic and antimony in appearance, the combining ratios in compounds agreed with ...
... or the scattering from atoms of radiation whose wavelength is larger than the atoms. They showed that the successful formula ... The divisibility of matter or Kant's antimony, 5) The basic symmetry and its substantiation, and 6) Science and religion.[143] ... Heisenberg recounted the philosophical conversations with his fellow students and teachers on understanding the atom while ... of work toward a German atom bomb], which would condemn young physicists to military service... or takeover by Nazi extremists ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Epoxides are ethers in which the oxygen atom is part of a ring of three atoms. The element is similarly found in almost all ... Part of this rejection was due to the belief that atoms of one element would have no chemical affinity towards atoms of the ... about 23.3 kJ/mol per hydrogen atom) to an adjacent oxygen atom in a separate molecule.[111] These hydrogen bonds between water ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Abundance of elements in Earth's crust per million Si atoms (y axis is logarithmic) ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... twa atoms o the element bind tae form dioxygen, a colourless an odourless diatomic gas wi the formula O. 2. This is an ...
One derivative is S7As-S−, a ring that contains an exocyclic sulfido center attached to the As atom. As2S3 also dissolves in ... Antimony trisulfide. Bismuth sulfide Related compounds. Tetraarsenic tetrasulfide Except where otherwise noted, data are given ... The sulfide centres are two-fold coordinated to two arsenic atoms. In the crystalline form, the compound adopts a ruffled sheet ...
The bond length between the carbon atom and the oxygen atom is 112.8 pm.[18][19] This bond length is consistent with a triple ... Antimony tetroxide (Sb2O4). *Cobalt(II,III) oxide (Co3O4) ... Carbon monoxide consists of one carbon atom and one oxygen atom ... The lone pair on the carbon atom in CO, also donates electron density to the dx²−y² on the metal to form a sigma bond. This ... Following the octet rule for both carbon and oxygen, the two atoms form a triple bond, with six shared electrons in three ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... argon can form clathrates with water when atoms of argon are trapped in a lattice of water molecules.[9] Ions, such as ArH+. , ...
Deuterated chloroform is an isotopologue of chloroform with a single deuterium atom. CDCl3 is a common solvent used in NMR ... The reaction is conducted in the presence of a catalytic amount of mixed antimony halides. Chlorodifluoromethane is then ...
The Pd atoms are square planar as expected for a d8 metal ion and the oxygen atoms are approximately tetrahedral.[2] The ... Antimony tetroxide (Sb2O4). *Cobalt(II,III) oxide (Co3O4) ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Syne then, aboot 35 atoms o livermorium hae been produced, aither directly or as a decay product o ununoctium, belangin tae the ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Th4+ favours hard ligands with oxygen atoms as donors: complexes with sulfur atoms as donors are less stable and are more prone ... A thorium atom has 90 electrons, of which four are valence electrons. Four atomic orbitals are theoretically available for the ... In 1913, Danish physicist Niels Bohr published a theoretical model of the atom and its electron orbitals, which soon gathered ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Ag+ + e− → Ag (liberation of a silver ion, which gains an electron to become a silver atom). The process is not reversible ... Silver is extremely ductile, and can be drawn into a wire one atom wide.[6] ... hybridized sulfur atom. Chelating ligands are unable to form linear complexes and thus silver(I) complexes with them tend to ...
N-Acetyl-L-cysteine is a derivative of cysteine wherein an acetyl group is attached to the nitrogen atom. This compound is sold ... Cysteine has the same structure as serine, but with one of its oxygen atoms replaced by sulfur; replacing it with selenium ... In the newer R/S system of designating chirality, based on the atomic numbers of atoms near the asymmetric carbon, cysteine ( ... The remaining chiral amino acids, having lighter atoms in that position, have S chirality.) ...
International Antimony Association 2016, Antimony compounds, accessed 2 September 2016.. *International Platinum Group Metals ... Logam berat umumnya didefinisikan sebagai logam dengan densitas, berat atom, atau nomor atom tinggi. Kriteria yang digunakan, ... No dan Lr berdasarkan berat atom mereka, estimasi jari-jari logam,[13] dan prediksi struktur kristal.[14] Berat atom dirujuk ... tiga pada berat atom, dua pada nomor atom, dan tiga pada perilaku kimia.[n 1] Ini mengilustrasikan kurangnya kesepakatan yang ...
A star fuses lighter atoms, mostly hydrogen and helium, into heavier atoms over its lifetime. Used in that sense, the ... The first description of a procedure for isolating antimony is in the 1540 book De la pirotechnia by Vannoccio Biringuccio. ... They include, for example, NaCd2, with 348 sodium atoms and 768 cadmium atoms in the unit cell. Linus Pauling attempted to ... each atom is positioned at the center of a cube of eight others. In fcc and hcp, each atom is surrounded by twelve others, but ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Cotton, FA; Walton, RA (1993). Multiple Bonds Between Metal Atoms. Oxford: Oxford University Press. ISBN 978-0-19-855649-7. .. ... Similar promotions happen for every transition metal atom but one, palladium.)[11] ... which relied on stimulated emission of light from the chromium atoms in such a crystal. A ruby laser is lasing at 694.3 ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... A thallium atom has 81 electrons, arranged in the electron configuration [Xe]4f145d106s26p1; of these, the three outermost ... occur in nature as complexes of sulfides or selenides that primarily contain antimony, arsenic, copper, lead, and/or silver. ...
The phosphate mineral group actually includes any mineral with a tetrahedral unit AO4 where A can be phosphorus, antimony, ... A crystal structure is the orderly geometric spatial arrangement of atoms in the internal structure of a mineral. There are 14 ... The elemental group includes metals and intermetallic elements (gold, silver, copper), semi-metals and non-metals (antimony, ... This happens because the carbon atoms in graphite are arranged into sheets which can slide easily past each other, while the ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... "The Atomic Nucleus and Bohr's Early Model of the Atom". NASA Goddard Space Flight Center (mirror). ശേഖരിച്ചത് 2007-12-20.. CS1 ...
Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium ... Theodore Gray (2009). The Elements: A Visual Exploration of Every Known Atom in the Universe. New York: Black Dog & Leventhal ...
The three chloride atoms have a negative charge, and the one boron in the center has an equal but positive... ... It is made from one atom of antimony and th... Full Answer , Filed Under: * Chemistry ... What Is Antimony Trichloride?. A: Antimony trichloride is a reagent used in chemical reactions that is represented by the ... This means that the pull of these atoms is perfectly balanced out. Boron is rare in that it is OK with not fully filling the ...
The compounds contain six-coordinated antimony and bismuth atoms. The antimony(V) complex is a monomeric derivative, (Lp)(Ph3Sb ... OH, and the bismuth(V) complex is a dinuclear compound bridged by an oxygen atom, (Lp)2(Ph3Bi)2O. Both compounds inhibited the ... Antimony(V) and bismuth(V) complexes of lapachol have been synthesized by the reaction of Ph3SbCl2 or Ph3BiCl2 with lapachol ( ... The compounds contain six-coordinated antimony and bismuth atoms. The antimony(V) complex is a monomeric derivative, (Lp)(Ph3Sb ...
Subject matter drawn to organic compounds wherein antimony is bonded either directly to a carbon atom or is indirectly bonded ... where at least one N atom and chalcogen atom are directly bonded to the P atom and a C atom is directly bonded to the X atom, X ... N atom of ring is bonded directly to a P atom or is bonded indirectly to a P atom other than through a ring atom of the five- ... N atom of ring is bonded directly to a P atom or is indirectly bonded to a P atom other than through a ring atom of the six- ...
Comprehensive information for the element Antimony - Sb is provided by this page including scores of properties, element names ... Anatomy of the Atom. Answers many questions regarding the structure of atoms.*Molarity, Molality and Normality. Introduces ... Antimony Menu. *Antimony Page One*Overview of Antimony*Antimonys Name in Other Languages*Atomic Structure of Antimony*Chemical ... Antimony Menu. *Antimony Page One*Overview of Antimony*Antimonys Name in Other Languages*Atomic Structure of Antimony*Chemical ...
Antimony exists in many allotropic forms (physically distinct conditions that result... ... antimony (Sb): Sb a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table). ... Its cosmic abundance is estimated as about one atom to every 5,000,000 atoms of silicon. Small deposits of native metal have ... With tin, antimony forms such alloys as britannia metal and pewter, used for utensils. Antimony is also used as an alloy in ...
The metalloids preferably are boron, aluminum, antimony, and phosphorus. Preferably, the halogen atom, Q, is chlorine or ... or cyclic materials having 5 to 6 carbon atoms in a ring) and/or aromatic acids containing from 8 to 15 carbon atoms. Examples ... all of which preferably have less than 30 carbon atoms and up to 10 hetero atoms wherein heteroatoms can interrupt carbon ... Illustrative of ligand L1 are substituted and unsubstituted aromatic ligands having up to 25 rings and up to 100 carbon atoms, ...
About Atom. Atom Bergstrom is a Body & Organ Language specialist and promoter of Time Conscious Eating and Longevity Lifestyles ... Gosta Ingvar "ATOM" Bergstrom was raised in New Jersey and the San Fernando Valley of Southern California. Atom has been ... Atom. The RED Resonant Atomic Elements (RAEs) from the Periodic Table of the Elements for Monday (or for any day from 6:00-9:00 ... Would you like reply to Atom Cancel reply. Your email address will not be published.. ...
... antimony explanation free. What is antimony? Meaning of antimony medical term. What does antimony mean? ... Looking for online definition of antimony in the Medical Dictionary? ... Morphing memory: superfast atom shuffling inspires data-storage alternatives. This market research report examines the foreign ... Related to antimony: antimony poisoning. antimony. (Sb) [an´tĭ-mo″ne] a chemical element, atomic number 51, atomic weight ...
Screening Assessment Antimony-containing Substances Environment and Climate Change Canada Health Canada November 2019 ... Detection of antimony species in citrus juices and drinking water stored in PET containers. J Analyt Atom Spectrom. 21: 731-733 ... antimony sulfide, antimony oxide) and some are anthropogenic (e.g., antimony diamyldithiocarbamate, antimony potassium tartrate ... inorganic trivalent antimony, inorganic pentavalent antimony, antimony-containing drugs and metallic antimony. ...
Atom was also tall; his eyes were as antimony and his beard was black. They fled Gamnudi during a persecution for Pelusium ( ... Aberoh and Atom are martyrs of the Christian church. The brothers were citizens of Gamnudi in Egypt. They are described as: ...
This family of elements also includes nitrogen, phosphorus, antimony and bismuth. All ele... Full Answer , Filed Under: * Atoms ...
... answers to Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95b 26 including work step by step written by ... Antimony Symbol: Sb, atomic number 51, atomic weight 121.76u, group 15 (5A), period 5, Metalloid. ... Next Answer Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95b: 27 Previous Answer Chapter 2 Atoms, Molecules, ... Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95b. 26 Chemistry and Chemical Reactivity (9th Edition). by Kotz ...
... with formal negative charges on the oxygen atoms and a formal plus two charge on the sulfur. The antimony atoms will also have ... In the presence of FSO3D rather than FSO3H, methane has been shown to interchange hydrogen atoms for deuterium atoms, and HD is ... Larger alkanes, such as ethane, are also reactive in magic acid, and both exchange hydrogen atoms and condense to form larger ... In these ions, two electrons are delocalized over more than two atoms, rendering these bond centers so electron deficient that ...
51 Antimony, Sb. [Kr]4d105s25p3. [Kr]4d. 5s. 5p. Sb, p block, Gp5/14,. ... germanium atom Ge = [Ar]3d104s24p2, germanium(II) ion Ge2+ = [Ar]3d104s2, germanium(IV) ion Ge4+ = [Ar]3d10 ... iron atom Fe = [Ar]3d64s2, iron(II) ion Fe2+ = [Ar]3d6, and iron(III) ion Fe3+ = [Ar]3d5 ... calcium atom is Ca = 1s22s22p63s23p64s2, calcium ion Ca2+ = 1s22s22p63s23p6 = [Ar] ...
A further embodiment includes the total number of carbon atoms for R2 and R3 combined being from 8 to 44 carbon atoms. ... Embodiments for the present invention include metal dithiocarbamates which are antimony, zinc and molybdenum dithiocarbamates. ... wherein, R4, R5, R6 and R7 which are the same of different and are hydrocarbyl groups having 1 to 13 carbon atoms; and R6 is an ... wherein R13 and R14 represent branched and straight chain alkyl groups having 1 to 8 carbon atoms, M is a metal cation and n is ...
Reading sequence of metal atoms in MOFs allows encoding of multiple chemical functions. Aug 07, 2020 ... 2D antimony holds promise for post-silicon electronics. (Nanowerk News) A group of engineers at The University of Texas at ... Antimony is a semi-metal that is already used in electronics for some semiconductor devices, such as infrared detectors. As a ... Antimonys charge mobility is much higher than other semiconductors with similar size, including silicon. This property makes ...
It also occurs in arsenic and antimony. This structure is composed of two-dimensional layers in which nitrogen atoms are cross- ... To find out how atoms arrange themselves under these conditions, the Bayreuth scientists cooperated with the German Electron ... At very high pressures and temperatures, nitrogen atoms form a crystalline structure that is characteristic of black phosphorus ... Section from the periodic table: Nitrogen (red) and the heavier elements phosphorus, arsenic, antimony and bismuth (green) ...
Antimony atoms with uncoordinated electrons block flow of heat in thermoelectric materials. Read More » ...
... each atom is positioned closer to three of its neighbouring atoms than to the rest. The structure of antimony and arsenic, ... in which all five carbon atoms can form bonds with the metal atom. The term metallic is interpreted broadly in this context; ... Usually considered under this classification are the chemical elements boron, silicon, germanium, arsenic, antimony, and ... atom. smallest unit into which matter can be divided without the release of electrically charged particles. It also is the ...
... a Single Nitrogen Atom in the Ring (contd.): Polycyclic Fused Ring Compounds, (b) an Atom of Phosphorous, Arsenic, Antimony or ... Chemistry of Carbon Compounds: v.4F/G: Six-membered Heterocyclic Compounds with a Single Nitrogen Atom in the Ring: Pyridine, ...
... of the electron arrangement caused by the doping elements is displayed as a deformation charge density around the atoms. Based ... We report a combined theoretical and experimental search for thermoelectric materials based on semiconducting zinc antimony. ... We report a combined theoretical and experimental search for thermoelectric materials based on semiconducting zinc antimony. ... of the electron arrangement caused by the doping elements is displayed as a deformation charge density around the atoms. Based ...
The magnetic property of polymer develops due to tellurium atoms; antimony-bismuth; and sulphur atoms. ... Moreover, it has been observed that when the atoms of do pant and atoms of europium interact together, and then the entire ... Why Nano?? It is due to alteration in the atoms and develops a magnetic power. It can be projected that the smaller size of ... He spoke about the possibility of synthesis of new substances through the direct manipulation of atoms and molecules. Although ...
How many carbon atoms are present in each of the following unsaturated hydrocarbons? a. b. c. d. ... Give the symbols for (a) potassium (b) cadmium (c) aluminum (d) antimony (e) phosphorus ...
Calculate the number of atoms in 2.58 mol antimony. Its an example problem, I need help! ...
4, 1985), particularly phosphorous, antimony, sulfur, nitrogen, chlorine, and iodine atoms, and (2) an anion. The Group 15, 16 ... an oxygen atom, a sulfur atom, or the like. One or more of the organo groups can share two atoms in a condensed ring system. ... and Se atoms so attached to the nominative atoms that the aromatic ring is at least as electron withdrawing as phenyl. For ... or 7-membered heterocyclic ring wherein the ring atoms comprise carbon and one or more atoms selected from the group consisting ...
There is an obvious weak interaction between antimony atom and oxygen atom of the carboxyl group from the adjacent layer. The ... LanL2DZ for metal atom and 6-31+G(d,p) for C, N, O, and H atoms) and with B3LYP/Mixed II (6-31G(d) for metal atom and 6-31+G(d, ... the antimony(III) ion is hexacoordinated by two nitrogen atoms and four oxygen atoms from the edta4− ions, together with a lone ... ions and four oxygen atoms from the coordinated water molecules. The carboxylate bridges between antimony and erbium atoms form ...
... but antimony has the defective octahedral coordination found in elemental antimony. GaSb has no rings with more than eight ... atoms but GaSb7 has larger rings. The lack of large rings in GaSb was attributed to the lack of suitable cavities that would ...
Silver Antimony Telluride AgSbTe2 bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples program ... The antimony atom has a radius of 140 pm and a Van der Waals radius of 206 pm. Antimony was discovered around 3000 BC and first ... 51 Sb 121.760000000 Antimony See more Antimony products. Antimony (atomic symbol: Sb, atomic number: 51) is a Block P, Group 15 ... Silver Antimony Telluride Synonyms. Silver-antimony-telluride, AgSbTe, silver antimony tellurium alloy, Ag3SbTe4, AgSb3Te4 ...
Antimony Pellets Sb bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples program. Term ... The antimony atom has a radius of 140 pm and a Van der Waals radius of 206 pm. Antimony was discovered around 3000 BC and first ... 51 Sb 121.760000000 Antimony See more Antimony products. Antimony (atomic symbol: Sb, atomic number: 51) is a Block P, Group 15 ... About Antimony Pellets. American Elements specializes in producing high purity uniform shaped Antimony Pellets with the highest ...
Molecular Photons Interfaced with Alkali Atoms for the First Time Biology The Effects of Ice Retreat and Biodiversity in the ... Researchers Produce Uniform Antimony Nanocrystals for the First Time Physics New Results from the Large Hadron Collider ...
  • Antimony(V) and bismuth(V) complexes of lapachol have been synthesized by the reaction of Ph 3 SbCl 2 or Ph 3 BiCl 2 with lapachol (Lp) and characterized by several physicochemical techniques such as IR, and NMR spectroscopy and X-ray crystallography. (mdpi.com)
  • The compounds contain six-coordinated antimony and bismuth atoms. (mdpi.com)
  • The antimony(V) complex is a monomeric derivative, (Lp)(Ph 3 Sb)OH, and the bismuth(V) complex is a dinuclear compound bridged by an oxygen atom, (Lp) 2 (Ph 3 Bi) 2 O. Both compounds inhibited the growth of a chronic myelogenous leukemia cell line and the complex of Bi(V) was about five times more active than free lapachol. (mdpi.com)
  • This family of elements also includes nitrogen, phosphorus, antimony and bismuth. (reference.com)
  • Section from the periodic table: Nitrogen (red) and the heavier elements phosphorus, arsenic, antimony and bismuth (green) belong to the element group 15. (uni-bayreuth.de)
  • The semimetals antimony, arsenic, and bismuth have a structure type distinct from the simple-packed spheres of the metals. (britannica.com)
  • The nitrogen family consists of the five elements that make up Group 15 of the periodic table: nitrogen, phosphorus, arsenic, antimony, and bismuth. (scienceclarified.com)
  • In their latest investigation, the researchers studied a topological insulator called bismuth antimony telluride (BST). (nanowerk.com)
  • They laid a 5-nanometer-thick film of the material on an indium phosphide substrate and added a 2-nanometer layer of chromium bismuth antimony telluride (CBST) on top. (nanowerk.com)
  • The scientists tested samples with five slightly different chemical compositions and obtained the most promising results from a blend containing just over seven times more antimony than bismuth. (nanowerk.com)
  • the same chemists state also the probable formation of similar compounds containing methyl and amyl in place of ethyl, and bismuth and phosphorus instead of antimony. (lemoyne.edu)
  • The thiourea complexes of antimony and bismuth triiodide were synthesized by a direct reaction of antimony and bismuth triiodide with thiourea powder at room temperature. (springer.com)
  • The infrared spectra reveal that the trivalent antimony or bismuth ion is coordinated by the nitrogen atom, not the sulfur atom of the thiourea. (springer.com)
  • In the Feb. 13 issue of Science, the team has reported it witnessed the exotic behavior in a carefully constructed crystal made of an antimony alloy laced with bismuth. (princeton.edu)
  • The current experiment was based on the researchers' hunch that electrons in bismuth-laced antimony or selenium (the materials are technically known as "topological quantum spin Hall insulators") would exhibit unusual effects because they move at high velocities that mimic the presence of a magnetic field inside the material. (princeton.edu)
  • The alloys of antimony include britannia metal britannia metal, silvery-white alloy of tin with antimony, copper, and sometimes bismuth and zinc. (thefreedictionary.com)
  • The present investigation deals with the effect of a non-contact external energy on the powders of antimony and bismuth. (pearltrees.com)
  • The X-ray structures of O{(CH2)2BiPh2}2 and S(CH2-2-C6H4BiPh2)2 show close to symmetrical hypervalent interactions between the O or S atoms and both bismuth centers. (soton.ac.uk)
  • Samples were thoroughly dissolved in the mixed solution of hydrochloric acid and nitric acid (9+1) to ensure the high valency of antimony and bismuth. (cnki.com.cn)
  • Volume fraction of the acid was controlled at 20 % to prevent antimony and bismuth from hydrolization. (cnki.com.cn)
  • Through 12 times of repeated tests, relative standard deviation was 7.1% for 0.2 mg/kg antimony and 2.3 % for 0.02 mg/kg bismuth. (cnki.com.cn)
  • This method was applicable to the determination of antimony and bismuth in caustic calcined magnesite with the recovery of 98 %-103 % for Sb and 100 %-113 % for Bi. (cnki.com.cn)
  • and post-transition metals like germanium, antimony, and bismuth. (wikiversity.org)
  • Here, based on ab initio density-functional calculations, we report a theoretical investigation of the SO-driven band inversion in isostructural bismuth and antimony chalcogenide TIs from the viewpoint of its interplay with the crystal-field effect. (epfl.ch)
  • The reason: in earlier high-pressure experiments, nitrogen showed no structures similar to those the heavier elements of this group - especially phosphorus, arsenic, and antimony - exhibit under normal conditions. (uni-bayreuth.de)
  • At very high pressures and temperatures, nitrogen atoms form a crystalline structure that is characteristic of black phosphorus, which is a particular variant of phosphorus. (uni-bayreuth.de)
  • 7. The method as in claim 3, wherein said dopant impurities are selected from boron-, arsenic-, antimony-, and phosphorus-containing ions. (patentgenius.com)
  • An anionically conductive polymer electrolyte, solid at ambient temperature, containing a salt of the formula: (R).sub.3 CMX.sub.n, wherein M is selected from the group consisting of at least one of boron, phosphorus, antimony, and arsenic, wherein X is halogen, n is 4 or 6, and R is aryl of 6-18 carbon. (google.co.uk)
  • wherein M is selected from the group consisting of at least one of boron, phosphorus, antimony, and arsenic, wherein X is halogen, n is 4 or 6, and R is aryl of 6-18 carbon atoms, alkyl of 1-8 carbon atoms, or alkaryl of 7-26 carbon atoms. (google.co.uk)
  • The cited closest prior art EP-A-1642 (1) described a process using a passivating agent containing tin, phosphorus and sulphur but the use of a combination of these three in the absence of antimony was not specifically disclosed in the Examples. (epo.org)
  • It was also indicated in comparative tests that agents containing tin and sulphur were effective, without antimony and phosphorus. (epo.org)
  • Antimony exists in many allotropic forms (physically distinct conditions that result from different arrangements of the same atoms in molecules or crystals). (britannica.com)
  • After quantum electrodynamics ( QED ) is the relativistic quantum field theory of electrodynamics , this man surprised everyone by giving an idea that now it's time to play with atoms and molecules , giving a new possibility ,this man was Richard Feynman, at the meeting at the California Institute of Technology in 29 December 1959. (pakissan.com)
  • He spoke about the possibility of synthesis of new substances through the direct manipulation of atoms and molecules. (pakissan.com)
  • Moreover, it has been observed that when the atoms of do pant and atoms of europium interact together, and then the entire molecules carry out the magnetic property. (pakissan.com)
  • The Grotthuss mechanism described a scenario wherein a hydrogen atom served as the bridge between a pair of water molecules. (newstarget.com)
  • The erbium(III) ion is octacoordinated by four oxygen atoms from four different edta4− ions and four oxygen atoms from the coordinated water molecules. (hindawi.com)
  • The electronic structures of 1-6 were investigated by DFT computations using a set of topological and surface-based real-space bonding indicators derived from the Atoms-In-Molecules (AIM), Non-Covalent interactions Index (NCI), and Electron Localizability Indicator (ELI-D) methods, unravelling a dative Sb-Cu bond character in 3 and polar-covalent Sb-Pd/Pt/Rh interactions in 4-6 . (rsc.org)
  • Temperature reflects the average randomized kinetic energy of constituent particles of matter (i.e., atoms or molecules) relative to the centre of mass of the system, while heat is the transfer of energy across a system boundary into the body other than by work or matter transfer. (wikipedia.org)
  • Alteration in Characteristics of Antimony Description Next to atoms and molecules the powders are the smallest state of matter available in high purities and large quantities. (pearltrees.com)
  • Atoms form molecules by bonding together. (slideshare.net)
  • The bridging methylene carbon atom is pentacoordinated, with three two-electron, two-center bonds, and one two-electron, three-center bond with its remaining sp3 orbital. (wikipedia.org)
  • in which all five carbon atoms can form bonds with the metal atom. (britannica.com)
  • How many carbon atoms are present in each of the following unsaturated hydrocarbons? (bartleby.com)
  • Chemistry of Carbon Compounds: v.4F/G: Six-membered Heterocyclic Compounds with a Single Nitrogen Atom in the Ring: Pyridine, Quinoline and Isoquinoline and Their Derivatives: Six-membered Heterocyclic Compounds with (a) a Single Nitrogen Atom in the Ring (contd. (okian.ro)
  • 7. The process of claim 1 wherein said iodide or bromide promoter is an alkyl iodide or bromide containing 1-6 carbon atoms. (freepatentsonline.com)
  • 6. The process of claim 1 wherein the catalyst component slurry comprises a diluent selected from the group consisting of mineral oil, silicone oil, an alkane or a branched alkane having from 3 to 60 carbon atoms, and combinations thereof. (google.co.uk)
  • 12. The process of claim 10 wherein the catalyst component solution comprises a liquid solvent selected from the group consisting of an alkane having from 5 to 30 carbon atoms, a cyclic alkane, an aromatic compound, mineral oil and combinations thereof. (google.co.uk)
  • 3. (Elements & Compounds) chem any one of a class of organic compounds that contain one or more hydroxyl groups bound to carbon atoms. (thefreedictionary.com)
  • These tests were designed to ascertain slight differences in how the carbon atoms and hydrogen atoms in various paraffin hydrocarbons combine with each other and how the nature of these reactions differ from those involving antimony pentachloride. (encyclopedia.com)
  • wherein each R is the same or different and denotes a hydrocarbyl group having from 1 to 24 carbon atoms, each X is individually oxygen or sulfur wherein at least one X is sulfur, and wherein n is 2 or 4. (epo.org)
  • 5. A catalyst component as claimed in claim 4 wherein the hydrocarbyl groups are alkyl groups having 1 to 10 carbon atoms. (google.com.au)
  • 10. A catalyst component as claimed in claim 9 wherein the protic agent is an aliphatic alcohol having from 1 to about 6 carbon atoms or an anhydrous hydrogen halide. (google.com.au)
  • 13. A catalyst component as claimed in claim 1 wherein R is an alkyl group having 1 to 4 carbon atoms. (google.com.au)
  • In these ions, two electrons are delocalized over more than two atoms, rendering these bond centers so electron deficient that they enable saturated alkanes to participate in electrophilic reactions. (wikipedia.org)
  • Unlike other materials with electrons that scatter in many directions (bottom left), the electrons in 2D antimony (top left) can be made to move together in an orderly way, giving it high charge mobility and making the material an efficient semiconductor. (nanowerk.com)
  • Electron spin box diagrams of the outer electron orbitals for the electron configuration of the atom representing the superscripted electrons beyond the inner noble gas core [He/Ne/Ar/Kr] , the latter are not involved in chemical bonding/ or reactions. (docbrown.info)
  • Antimony atoms with uncoordinated electrons block flow of heat in thermoelectric materials. (energy.gov)
  • These five elements share one important structural property: they all have five electrons in the outermost energy level of their atoms. (scienceclarified.com)
  • Dopant atom distribution and spatial confinement of conduction electrons in Sb-doped SnO nanoparticles," Physical Review B , vol. 64, no. 24, Article ID 245312, pp. 1-9, 2001. (hindawi.com)
  • The reluctance of the noble gases to undergo chemical reactions indicates that the atoms of these gases strongly prefer their own electron configurations - featuring a full outer shell of electrons - to any other. (lookchem.com)
  • In Problem 15.43, the fraction of germanium atoms contributing conduction electrons at room temperature was calculated. (coursehero.com)
  • It's easier to understand electron configuration and valence if you can actually see the electrons surrounding atoms. (thoughtco.com)
  • The final ring or shell of electrons contains the typical number of valence electrons for an atom of that element. (thoughtco.com)
  • The upper right side shows the number of electrons in a neutral atom. (thoughtco.com)
  • Remember, a neutral atom contains the same number of protons and electrons. (thoughtco.com)
  • An ion of an atom is one in which the number of protons and electrons is not the same. (thoughtco.com)
  • Theorists have long predicted that atoms placed in certain configurations would trigger electrons to behave in odd "quantum" ways. (princeton.edu)
  • An atom has a nucleus, made of protons and neutrons, surrounded by electrons orbiting in cloud-like shells. (slideshare.net)
  • Normally, an atom has equal numbers of protons and electrons. (slideshare.net)
  • An ion is a charged atom with more or fewer electrons than protons. (slideshare.net)
  • Atoms give, take, or share electrons to achieve full outer electron shells. (slideshare.net)
  • Covalent bond Atoms share their outer electrons. (slideshare.net)
  • Atoms Chemical Bonding Na Cl Na+ Cl� H H O H HO Salt SilverWater Ag Ag Ag Ag Ag AgAg Groups Nucleus of protons and neutrons Electron shells The valence number is the number of electrons given (+) or taken (-) when bonding. (slideshare.net)
  • By substituting cobalt atoms at strategic sites, researchers altered the pathway for electrons in a way that significantly improved their mobility. (ornl.gov)
  • As electrons move through materials, they interact with atoms and get scattered on a circuitous path rather than a direct route, which results in inefficient energy conversion. (ornl.gov)
  • The goal is not to create more space in materials, but rather to finesse the natural vibrations of atoms that govern their interactions with electrons by introducing "defects" that are not naturally present. (ornl.gov)
  • The centre of an atom, called the nucleus , consists of proton and neutron particles and the electrons move around the nucleus in 'orbital' energy levels. (docbrown.info)
  • In the same century, a book summarizing available knowledge of antimony and its compounds was purportedly written by a Basil Valentine, allegedly a Benedictine monk of the 15th century, whose name appears on chemical writings over a span of two centuries. (britannica.com)
  • Highly purified antimony is used in semiconductor technology to prepare the intermetallic compounds indium , aluminum , and gallium antimonide for diodes and infrared detectors. (britannica.com)
  • ingestion of antimony compounds, and rarely industrial exposure to them, may produce symptoms similar to those of acute arsenic poisoning. (thefreedictionary.com)
  • Antimony compounds are used in the treatment of filariasis, leishmaniasis, and other parasitic diseases. (thefreedictionary.com)
  • Trivalent and pentavalent antimony compounds are used in medicine as anti-infective agents in the treatment of tropical diseases, especially those of protozoan origin. (thefreedictionary.com)
  • All antimony compounds are potentially poisonous and must be used with caution. (thefreedictionary.com)
  • Alloys and compounds of antimony are used in bearings, storage batteries, safety matches, and as a red pigment in paint. (thefreedictionary.com)
  • Although antimony and many of its compounds are toxic, tartar emetic tartar emetic, poisonous, odorless, transparent rhombic crystals or white powder with a metallic, sweetish taste. (thefreedictionary.com)
  • What he observed was that even when the chemical structures of two hydrocarbon compounds were very similar, they showed very different reaction patterns compared to the antimony pentachloride. (encyclopedia.com)
  • The three chloride atoms have a negative charge, and the one boron in the center has an equal but positive charge. (reference.com)
  • Usually considered under this classification are the chemical elements boron , silicon , germanium , arsenic , antimony , and tellurium . (britannica.com)
  • 17. The method as in claim 16, wherein said silicon oxide layer is a screen oxide layer and said ion implanting for displacing "knocked-on" oxygen atoms therefrom comprises implanting dopant atoms selected from boron-, arsenic-, antimony-, andphosphorus-containing ions or inert ions selected from germanium- and silicon-containing ions. (patentgenius.com)
  • boron is an acceptor donates 1 hole per atom. (physicsforums.com)
  • 10^16 boron atoms vs 10^15 Sb means that this is a P type. (physicsforums.com)
  • The double bonds between sulfur and oxygen are more properly represented as single bonds, with formal negative charges on the oxygen atoms and a formal plus two charge on the sulfur. (wikipedia.org)
  • When heated to more than 550°C, chalcopyrite loses some of its sulfur and alters to the high-temperature phase CuFeS 1.80 , with a cubic sphaleritic cell and a disordered arrangement of atoms. (thefreedictionary.com)
  • The complex crystallizes in the monoclinic system with space group Pm. In the complex, each erbium(III) ion is connected with antimony(III) ions bridging by four carboxylic oxygen atoms, and in each [Sb(edta)]− anion, the antimony(III) ion is hexacoordinated by two nitrogen atoms and four oxygen atoms from the edta4− ions, together with a lone electron pair at the equatorial position. (hindawi.com)
  • 2. The method as in claim 1, comprising bombarding said oxygen-containing layer with ions to displace "knocked-on" oxygen atoms from said oxygen-containing layer. (patentgenius.com)
  • 8. The method as in claim 2, comprising implanting inert ions into said oxygen-containing layer to displace of oxygen atoms therefrom. (patentgenius.com)
  • 15. The method as in claim 14, comprising implanting ions into said silicon oxide layer at a preselected dosage and energy to displace "knocked-on" oxygen atoms therefrom into said silicon substrate. (patentgenius.com)
  • Ionic bond One atom takes an electron from another atom and the oppositely charged ions attract. (slideshare.net)
  • Chemically, it is potassium antimony tartrate, KSbC 4 H 4 O 7 · 1-2H 2 O. It is used as a mordant in dyeing. (thefreedictionary.com)
  • Its cosmic abundance is estimated as about one atom to every 5,000,000 atoms of silicon . (britannica.com)
  • Liu and his team, postdoctoral fellow Long Cheng and graduate student Chenmu Zhang, outline their discovery that, in its 2D form, the chemical element antimony may serve as a suitable alternative to silicon. (nanowerk.com)
  • CIICulatc ch: conducdvity for the cxhnustion range of silicon doped with lO-ppb antimony. (coursehero.com)
  • Transient enhanced diffusion (TED) of ion implanted dopant impurities within a silicon semiconductor substrate is eliminated or substantially reduced by displacing "knocked-on" oxygen atoms from an overlying oxygen-containing layer into the substrate by ion implantation. (patentgenius.com)
  • The "knocked-on" oxygen atoms getter silicon interstitial atoms generated within the substrate by dopant implantation, which are responsible for TED. (patentgenius.com)
  • 12. The method as in claim 2, wherein said semiconductor substrate comprises a monocrystalline silicon wafer and said interstitial defects comprise interstitial silicon atoms. (patentgenius.com)
  • and ion implanting the silicon oxide layer to displace "knocked-on" oxygen atoms therefrom into the substrate for gettering of interstitial silicon atoms within said substrate responsible for said transient enhanced diffusion. (patentgenius.com)
  • We report a combined theoretical and experimental search for thermoelectric materials based on semiconducting zinc antimony. (archives-ouvertes.fr)
  • Its crystal structure is similar to that of sphalerite, but the zinc atoms are replaced by copper and iron atoms. (thefreedictionary.com)
  • This phase may contain in the form of a solid solution zinc, tin, antimony, and other elements, which upon cooling separate out in native chalcopyrite, forming inclusions of sphalerite, stannite, and tetrahedrite. (thefreedictionary.com)
  • This structure is composed of two-dimensional layers in which nitrogen atoms are cross-linked in a uniform zigzag pattern. (uni-bayreuth.de)
  • The spheres off center are the nitrogen atoms, and the area between the atoms represents their strong bond. (scienceclarified.com)
  • Due to the slow timescale of 1H-NMR, the rapidly equilibrating positive charges on hydrogen atoms would likely go undetected. (wikipedia.org)
  • Pliny, during the 1st century ad , wrote of seven different medicinal remedies using stibium or antimony sulfide. (britannica.com)
  • High-grade or enriched stibnite reacts directly with scrap iron in the molten state, liberating antimony metal. (britannica.com)
  • Some of the finest stibiconites, producing wonderful pseudomorphs, occur in a few new antimony mines that have yet to produce any unaltered stibnite clusters. (galleries.com)
  • Associated Minerals include stibnite , valentinite , and other antimony oxides. (galleries.com)
  • And Britannia metal is made of approximately 92 percent tin (the rest is copper and antimony). (livescience.com)
  • type metal type metal, alloy of lead with antimony, tin, and sometimes copper, so named because of its one time extensive use for making printing type. (thefreedictionary.com)
  • Distortion of the electron arrangement caused by the doping elements is displayed as a deformation charge density around the atoms. (archives-ouvertes.fr)
  • Calculate the fraction of G: atoms that pmvidcs a con- ducfion electron at room-tempcmmm. (coursehero.com)
  • Here are electron shell atom diagrams for the elements , ordered by increasing atomic number . (thoughtco.com)
  • For each electron shell atom diagram, the element symbol is listed in the nucleus. (thoughtco.com)
  • A key objective for researchers was to pinpoint the precise locations of the replacement cobalt atoms introduced to verify their role as electron scattering centers. (ornl.gov)
  • About half of all the antimony produced is reclaimed from scrap lead alloy from old batteries, to which antimony had been added to provide hardness . (britannica.com)
  • Antimony is also used as an alloy in solder. (britannica.com)
  • A new material built from aluminum and antimony shows promise for next-generation data-storage devices A new, environmentally-friendly electronic alloy consisting of 50 aluminum atoms bound. (innovationtoronto.com)
  • The researchers make the nanotubes by heating antimony-coated germanium nanowires at 700 °C for five hours. (evwind.es)
  • Germanium atoms diffuse outward and form hollow nanotubes with walls 40 nanometers thick. (evwind.es)
  • Canadians may be exposed to the 11 antimony-containing substances, which include both trivalent and pentavalent forms of antimony, as they contribute to levels of antimony in environmental media, food, drinking water and/or products available to consumers. (canada.ca)
  • Transition metal complexes of antimony centered ligands based upon acenaphthyl scaffolds. (rsc.org)
  • The ancients were familiar with antimony both as a metal and in its sulfide form. (britannica.com)
  • The Old Testament tells of Queen Jezebel using the naturally occurring sulfide of antimony to beautify her eyes. (britannica.com)
  • Antimony (Sb) , a metallic element belonging to the nitrogen group (Group 15 [Va] of the periodic table). (britannica.com)
  • Early writings of Dioscorides, dating from about the same time, mention metallic antimony. (britannica.com)
  • as alcofol ), "fine powder produced by sublimation," from Medieval Latin alcohol "powdered ore of antimony," from Arabic al-kuhul "kohl," the fine metallic powder used to darken the eyelids, from kahala "to stain, paint. (dictionary.com)
  • Stabilization of the antimony-ligated SMMs is contingent upon careful control of reaction time and temperature. (rsc.org)
  • BST is nonmagnetic, but adding chromium atoms makes the resulting CBST layer magnetic. (nanowerk.com)
  • 3. The method as in claim 2, comprising ion implanting dopant impurities to displace of oxygen atoms from the oxygen-containing layer into said substrate. (patentgenius.com)
  • The black sphere with an arrow represents an atom of dopant, and green spheres with arrows show atoms of europium. (mit.edu)
  • What Is Antimony Trichloride? (reference.com)
  • Antimony trichloride is a reagent used in chemical reactions that is represented by the chemical formula SbCl3. (reference.com)
  • The process employed sol-gel dip-coating approach in the absolute ethanol solution of metal salts of tin (II) chloride dehydrate and antimony trichloride. (scientific.net)
  • Another research titledGlobal and Chinese Antimony Pentafluoride (CAS 7783-70-2) Industry, 2015 Market Research Report is a professional and in-depth study on the current state of the global Antimony Pentafluoride industry with a focus on the Chinese market. (thefreedictionary.com)
  • Magic acid (FSO3H·SbF5) is a superacid consisting of a mixture, most commonly in a 1:1 molar ratio, of fluorosulfuric acid (HSO3F) and antimony pentafluoride (SbF5). (wikipedia.org)
  • A pseudomorph is an atom by atom replacement of one mineral's chemistry to form another completely different mineral. (galleries.com)
  • T. Nütz and M. Haase, "Wet-chemical synthesis of doped nanoparticles: optical properties of oxygen-deficient and antimony-doped colloidal SnO2," Journal of Physical Chemistry B , vol. 104, no. 35, pp. 8430-8437, 2000. (hindawi.com)
  • Antimony doped tin oxide (ATO) thin films were deposited onto silica coated soda lime silicate substrate by the sol-gel method using Sb(OC4H9)4 and Sn(OC4H9)4 as the precursor materials. (scientific.net)
  • Abstract: Undoped and antimony-doped tin oxide (ATO) thin films were prepared by sol-gel process in the solution of metal salts of tin (II) chloride dehydrate and antimony tri-chloride. (scientific.net)
  • Compared with undoped tin oxide, doped antimony tin oxide films coated glass substrate were homogeneous in composition and morphology after being sintered at different temperatures. (scientific.net)
  • Abstract: A simple laboratory technique for the routine preparation of antimony-doped tin oxide (ATO) on float glass substrates (25×76×1mm3) was described. (scientific.net)
  • About half of this antimony is used metallurgically, principally in alloys. (britannica.com)
  • Even when added in minor quantities, antimony imparts strength and hardness to other metals, particularly lead, with which it forms alloys used in plates of automobile storage batteries, in bullets, in coverings for cables, and in chemical equipment such as tanks, pipes, and pumps. (britannica.com)
  • Combined with tin and lead, antimony forms antifriction alloys called babbitt metals that are used as components of machine bearings. (britannica.com)
  • With tin, antimony forms such alloys as britannia metal and pewter , used for utensils. (britannica.com)
  • In combination with metals antimony forms alloys that are hard and brittle and have low melting points. (thefreedictionary.com)
  • Nano-technology mainly consists of the processing of separation, consolidation, and deformation of materials by one atom or one molecule. (pakissan.com)
  • Diatomic means there are two atoms in the molecule. (scienceclarified.com)
  • The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. (europa.eu)
  • The structure of antimony and arsenic, composed of spheres that intersect along flat circular areas, is shown in Figure 9B. (britannica.com)
  • As might be guessed, stibiconite forms in the oxidation zone of antimony sulfides. (galleries.com)
  • (iii) In chemical reactions, the atoms rearrange themselves in changing from reactants to new products, usually involving at least two elements and often many more (see chemical change on this page). (docbrown.info)
  • 11. The process of claim 1, further including neutralizing at least about 90% of said sulfonate groups with a metal counterion selected from the group consisting of antimony aluminum, lead, Groups I-A, II-A, I-B and II-B of the Periodic Table ofElements and mixtures thereof. (patentgenius.com)
  • Ji and his teammates directed their attention at the upper half of the periodic table, specifically the hydrogen atom with its single proton. (newstarget.com)
  • CEPA), the Minister of the Environment and the Minister of Health have conducted a screening assessment of 11 substances referred to collectively as the Antimony-containing Substances Group. (canada.ca)
  • Results from surveys under section 71 of CEPA indicate that the 11 antimony-containing substances in this group were manufactured or imported above reporting thresholds in either 2008 or 2011. (canada.ca)
  • The ecological risks of the 11 substances in the Antimony-containing Substances Group were characterized using the Ecological Risk Classification of Inorganic Substances (ERC-I). The ERC-I is a risk-based approach that employs multiple metrics considering both hazard and exposure in a weight of evidence. (canada.ca)
  • Exposure profiling considered two approaches: predictive modeling using a generic near-field exposure model for each substance, and an analysis of measured concentrations collected by federal and provincial water quality monitoring programs using antimony concentrations as a conservative indicator of exposure for the 11 substances. (canada.ca)
  • The ERC-I identified these 11 antimony-containing substances as having low ecological concern. (canada.ca)
  • Considering all available lines of evidence presented in this screening assessment, there is a low risk of harm to the environment from the 11 antimony-containing substances. (canada.ca)
  • Il s'agit d'une source d'informations unique sur les substances chimiques fabriquées et importées en Europe. (europa.eu)
  • The idea is that, in the absence of an applied magnetic field, there is no spinning motion of the atoms of diamagnetic substances. (aetherometry.com)
  • In other words, diamagnetic atoms don't behave like small magnets - not the way that paramagnetic substances do. (aetherometry.com)
  • In 1808 the English scientist-chemist Dalton proposed his 'atomic theory' - that all matter was made up of tiny individual units called atoms which could NOT be subdivided into simpler substances. (docbrown.info)
  • What is more, he proposed the idea that there were different types of atoms which we now call 'elements' and combinations of them produce all the different substances which exist. (docbrown.info)
  • An ATOM is the smallest particle of a substance, namely an element, which can have its own characteristic properties AND cannot be split into simpler substances by chemical means. (docbrown.info)
  • Liu has only demonstrated its potential through theoretical computational methods but is confident it can exhibit the same properties when tested with physical antimony samples, which is the team's next step. (nanowerk.com)
  • often a flux of sodium sulfate or sodium carbonate is used to prevent loss of molten antimony by evaporation. (thefreedictionary.com)
  • Antimony is a lustrous, silvery, bluish white solid that is very brittle and has a flaky texture. (britannica.com)
  • a) It was important to recognise that the teaching of the cited earlier specification was essentially the discovery of a synergistic effect of the combination of tin with antimony, i.e. a superiority over using either of these metals separately for passivation. (epo.org)
  • The two different valences occupy different sites in the structure of the mineral, since the size of the atoms diminsh greatly when reduced in charge. (galleries.com)
  • There is an obvious weak interaction between antimony atom and oxygen atom of the carboxyl group from the adjacent layer. (hindawi.com)
  • The atomic number is the number of protons in an atom. (slideshare.net)
  • An element is a substance made from one or more atoms of the same atomic number. (slideshare.net)
  • Once the size of nanomaterials decreases, the ratio of under-coordinated atoms located at surface, edges, and defects increase compared to the total atomic number. (frontiersin.org)
  • An element consist of one type of atom only and all the atoms of an element have the same atomic number (number of protons in nucleus). (docbrown.info)