Elements chemical compounds inorganic. Medical search. Frequent questions

Both are inorganic components in inorganic chemistry. (roadlesstraveledstore.com)
Often in chemistry you'll use the ionic charge of an element like Sulfur to figure predict the products of a reaction or write the name or formula for a compound. (roadlesstraveledstore.com)
The Biochemistry program allows a student to combine knowledge of both biology and chemistry to explain life processes in terms of chemical reactions with living cells. (mtsu.edu)
Using the periodic table to explore chemical properties and uncover relationships between elements in different groups, Descriptive Inorganic Chemistry is a less mathematical way for you to learn inorganic chemistry. (ecampus.com)
Being unable to find an inorganic chemistry text which used the concepts to explain the properties and uses of the chemical elements and compounds, he, subsequently joined by Tina Overton, authored Descriptive Inorganic Chemistry . (ecampus.com)
Geoff has authored many publications relevant to the teaching of inorganic chemistry, including several on novel aspects of the Periodic Table. (ecampus.com)
Recognition of his contributions to the teaching of chemistry have included the Chemistry Education Award of the Chemical Institute of Canada, and the National Science and Engineering Research Council of Canada PromoScience Award. (ecampus.com)
She has published learning resources which have been adopted in many institutions and has co-authored several textbooks in inorganic chemistry. (ecampus.com)
The paper has 45 questions out of a total of 180 questions from a mix of physical, organic, and inorganic chemistry. (etoosindia.com)
Inorganic Chemistry section is the easiest to handle. (etoosindia.com)
In chemistry , many authors consider an organic compound to be any chemical compound that contains carbon-hydrogen or carbon-carbon bonds , however, some authors consider an organic compound to be any chemical compound that contains carbon. (wikipedia.org)
The study of the properties, reactions, and syntheses of organic compounds comprise the discipline known as organic chemistry . (wikipedia.org)
Use it to draw structural formulas of organic molecules, schemes of chemical reactions and organic chemistry diagrams. (conceptdraw.com)
The chemical symbols example "Design elements - Chemical drawings" was created using the ConceptDraw PRO software extended with the Chemistry solution from the Science and Education area of ConceptDraw Solution Park. (conceptdraw.com)
The chemical drawing example "Carbonyl compound halogenation mechanism" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Chemistry solution from the Science and Education area of ConceptDraw Solution Park. (conceptdraw.com)
In chemistry, the ball-and-stick model is a molecular model of a chemical substance which is to display both the three-dimensional position of the atoms and the bonds between them. (conceptdraw.com)
In: Comprehensive Inorganic Chemistry III: Theory and Bonding of Inorganic Nonmolecular Systems (Volume 3), Vol. Theory and Bonding of Inorganic Nonmolecular Systems (Volume 3) , pp. 222 - 237 (Eds. (mpg.de)
Solid State Chemistry of Clathrate Phases: Crystal Structure, Chemical Bonding and Preparation Routes. (mpg.de)
In: Physics and chemistry of inorganic clathrates, pp. 35 - 64. (mpg.de)
In: Comprehensive Inorganic Chemistry II (Second Edition): Transition elements, lanthanides and actinides (Volume 2), Vol. Volume 2: Transition Elements, Lanthanides and Actinides , pp. 359 - 373 (Eds. (mpg.de)
Inorganic chemistry plays a crucial role in industry and manufacturing processes. (popherald.com)
Green chemistry focuses on developing chemical processes and products that are environmentally friendly, reducing the use of hazardous substances and minimizing waste and pollution. (popherald.com)
There are two basic types of chemistry: organic and inorganic. (stateuniversity.com)
Organic chemistry is based on compounds containing carbon. (stateuniversity.com)
Inorganic chemistry is concerned with the elements, metallic and nonmetallic. (stateuniversity.com)
Reaxys enables you to search by structure, substructure, reaction, text, and property data.Being based on the CrossFire Beilstein, CrossFire Gmelin and Patent Chemistry databases Reaxys has a long history beginning with chemical data from 1771. (lu.se)
The aim of the course is to provide students with the knowledge of basic chemical concepts required for continued studies in chemistry or adjoining fields. (lu.se)
The course may not be included in a degree together with KEM10 General Chemistry, 7.5 credits, and KEMA12 Inorganic Chemistry - Basic Course, 7.5 credits. (lu.se)
The division of surface chemistry of the swedish chemical society. (lu.se)

Reduction of Am(III) compounds with sodium amalgam yields Am(II) salts - the black halides AmCl2, AmBr2, and AmI2. (wikipedia.org)
For historical reasons, a few classes of carbon-containing compounds (e.g., carbonate salts and cyanide salts ), along with a few other exceptions (e.g., carbon dioxide , and even hydrogen cyanide despite the fact it contains a carbon-hydrogen bond), are generally considered inorganic . (wikipedia.org)
Mercury(II) oxide, HgO, provides elemental mercury for the preparation of various organic mercury compounds and certain inorganic mercury salts. (atheistsforhumanrights.org)
When mercury reacts with another substance, it forms a compound, such as inorganic mercury salts or methylmercury. (atheistsforhumanrights.org)
Some industrial chemicals are inorganic, such as battery acid or various salts. (stateuniversity.com)
Inorganic mercury compounds are formed when mercury combines with other elements, such as sulfur or oxygen, to form compounds or salts. (cdc.gov)
Outside the United States, inorganic mercury salts have been used in cosmetic skin creams. (cdc.gov)

Due to carbon's ability to catenate (form chains with other carbon atoms ), millions of organic compounds are known. (wikipedia.org)
The vector stencils library "Chemical elements" contains 118 icon symbols of chemical elements for drawing atoms, structural formulas and ball-and-stick models of inorganic and organic molecules and ions, and schemes of chemical reaction mechanisms. (conceptdraw.com)
Organic compounds are a class of chemical compounds that contain one or more atoms of carbon covalently bonded to each other and atoms of other elements such as hydrogen, oxygen, nitrogen, sulfur, etc. (fishersci.com)
Compounds or allotropes of carbon that contain only carbon atoms are classified as inorganic compounds and exhibit novel properties. (fishersci.com)
Organic chemicals are compounds primarily composed of carbon atoms combined with other elements such as hydrogen, oxygen, nitrogen, or halogens. (popherald.com)
Inorganic chemicals do not contain carbon atoms bonded to hydrogen. (popherald.com)

2004. Threshold limit values for chemical substances and physical agents and biological exposure indices. (cdc.gov)
The word 'substances' is widely used to describe any variety of materials, chemicals, and ingredients. (thesaurus.net)
Elements' and 'substances' describe chemical compounds that are essential to our lives, such as oxygen and water. (thesaurus.net)
and Laws & Regulations, etc., of chemical substances. (go.jp)
Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc. (go.jp)
Different forms ( allotropes ) of pure carbon, such as diamond , graphite , fullerenes , and carbon nanotubes [4] are also excluded because they are simple substances composed of only a single element and therefore are not generally considered to be chemical compounds . (wikipedia.org)
Vitalism was a widespread conception that substances found in organic nature are formed from the chemical elements by the action of a "vital force" or "life-force" ( vis vitalis ) that only living organisms possess. (wikipedia.org)
Chemical technicians assist professional chemists in analyzing complex substances and running experiments on new combinations of chemicals. (stateuniversity.com)
Arsenical compounds are used in industrial, agricultural, and medicinal substances. (medscape.com)
Health departments from 5 states (Colorado, Iowa, Michigan, New Hampshire, and Wisconsin) evaluated 3,125 emergency chemical-release events involving 4,034 hazardous substances that occurred from 1990-1992. (medscape.com)

Most synthetically-produced organic compounds are ultimately derived from petrochemicals consisting mainly of hydrocarbons , which are themselves formed from the high pressure and temperature degradation of organic matter underground over geological timescales. (wikipedia.org)
The gaseous emissions primarily targeted for abatement include carbon monoxide, unburned and partially burned hydrocarbons (HC's), and nitrogen oxide compounds (NO.sub.X) comprised of NO and NO.sub.2 along with nominal amounts of N.sub.2O. (equities.com)
While pure hydrocarbons undergo certain limited classes of reactions, many more reactions which organic compounds undergo are largely determined by functional groups. (conceptdraw.com)

Trace element fractions selected for sequential chemical extraction were: (1) exchangeable, (2) dilute-acid extractable (bound to carbonates), (3) iron- manganese oxide bound, (4) organically bound, and (5) residual. (cdc.gov)

Compounds containing one or more of these nutrients are often used as soil amendments rather than strictly as suppliers of plant nutrition….Sulfur. (roadlesstraveledstore.com)
What is the formula for an ionic compound made of magnesium and sulfur? (roadlesstraveledstore.com)
We can also look at the electron configuration for an element like Sulfur to determine the number of valence electrons in the highest energy level. (roadlesstraveledstore.com)
Mercury sulfide, or mercury(II) sulfide is a chemical compound composed of the chemical elements mercury and sulfur. (atheistsforhumanrights.org)
The compound can also be made synthetically by heating mercury and sulfur together in a gaseous state or by heating mercury with a solution of potassium pentasulfide (K2S5). (atheistsforhumanrights.org)
Molybdenum diulfide has two elements in it, molybdenum (or molybdenum) and sulfur. (mis-asia.com)

Living things incorporate inorganic carbon compounds into organic compounds through a network of processes ( the carbon cycle ) that begins with the conversion of carbon dioxide and a hydrogen source like water into simple sugars and other organic molecules by autotrophic organisms using light ( photosynthesis ) or other sources of energy. (wikipedia.org)
The depiction of organic compounds with drawings is greatly simplified by the fact that carbon in almost all organic compounds has four bonds, nitrogen three, oxygen two, and hydrogen one. (conceptdraw.com)
developed photodetectors using vertically stacked p-Sb2Te3/n-Molybdenum Disulfide vdWHs, which showed a photoresponsivity of 330 A W−1, a fast response time of What is Molybdenum Disulfide?The Molybdenum Disulfide of hydrogen by catalytic water splitting is important for many industries, including renewable energy petroleum refining and producing methanol and ammonia in the chemical industry. (mis-asia.com)
Hydrogen is an important chemical feedstock for refining petroleum to produce methanol and ammonia. (mis-asia.com)
Hydrogen diselenide, also known as (SeH)2, is an inorganic selenium compound with the chemical formula H2Se2. (qsstudy.com)
It is a chemical compound made up of the elements hydrogen and selenium. (qsstudy.com)
380,000 years later, temps and pressures were such that the first light elements of hydrogen and helium were constructed. (sciforums.com)

Owing to such wide and diverse application potentials of mixed-metal oxides, chemical routes for the preparation of pure and/or homogeneously doped different systems are highly desirable. (mdpi.com)
The scope of this Special Issue of Inorganics is focused on the synthesis, characterization and application of mixed-metal oxides and related materials, which are important in biomedicine, optoelectronics, catalysis, conservation and restoration of cultural heritage, and related industrial areas. (mdpi.com)

Oxyhalides of americium in the form AmVIO2X2, AmVO2X, AmIVOX2, and AmIIIOX can be obtained by reacting the corresponding americium halide with oxygen or Sb2O3, and AmOCl can also be produced by vapor phase hydrolysis: AmCl3 + H2O → AmOCl + 2HCl The only known hydroxide of americium is Am(OH)3, which is the first compound of americium, discovered in 1944 as part of the Manhattan project. (wikipedia.org)
Therefore, the broad field of foaming agents is vast, the variety of importance is, and their nature and function quality is very different, ac What is molybdenum disulfide?As a typical representative of low-dimensional transition metal sulfide, molybdenum disulfide is a black powder composed of two chemical elements, transition metal molybdenum (atomic number 42) and nonmetallic oxygen (atomic number 8). (mis-asia.com)
Emeralds are formed of a mineral called beryl whose chemical formula is a complex mix of beryllium, aluminum, silicon, and oxygen. (nationalgeographic.com)

Here, we applied a standard method to quantify the triboelectric series for a wide range of inorganic non-metallic materials. (nature.com)
The three forms are called elemental (or metallic) mercury, inorganic mercury compounds, and organic mercury compounds. (cdc.gov)

Berzelius also contended that compounds could be distinguished by whether they required any organisms in their synthesis (organic compounds) or whether they did not ( inorganic compounds ). (wikipedia.org)
As a source of selenium, it may have limited utility in chemical synthesis or research. (qsstudy.com)
Experiments in chemical analysis, synthesis and reaction theory selected in order to illustrate the theoretical content of the course. (lu.se)

Using an established measurement method, this study quantifies the triboelectric charge densities of nearly 30 inorganic nonmetallic materials. (nature.com)

Organic molecules are described more commonly by drawings or structural formulas, combinations of drawings and chemical symbols. (conceptdraw.com)

This class provides for apparatus for (a) enriching metal bearing ores, (b) extracting metals from their source materials, (c) refining, purifying, or otherwise treating molten or liquefied metals where such treatment is not elsewhere provided for, (d) melting metals, and (e) establishing desired physical or chemical properties in solid metal objects, and for subcombinations peculiar to such apparatus. (uspto.gov)
organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes. (wcoomd.org)
Crystal Structure and Chemical Bonding in Gallides of Rare-Earth Metals. (mpg.de)
Many industries rely on chemicals to manufacture products such as plastics, textiles, metals, and electronics. (popherald.com)
These include organic chemicals such as pesticides and other industrial chemicals, metals, airborne particles such as fibres and those produced by fossil fuel combustion and biological agents such as fungi and bacteria. (greenspec.co.uk)
Inorganic chemical technicians are likely to work in heavy industry, in metals-testing laboratories or metals-processing plants. (stateuniversity.com)
1994). The importance of OELs is highlighted by the occupational exposure limits (OELs) for metals and fact that many organizations around the world develop other mining-related chemicals were surveyed, and them. (cdc.gov)

1969. Chemical characterization of a public water supply. (cdc.gov)
Comprehensive characterization was carried out on selected biomass feedstocks, including corn stover, pine residue, and pine anatomical fractions, to reveal their inorganic species and morphology. (osti.gov)

It first came under question in 1824, when Friedrich Wöhler synthesized oxalic acid , a compound known to occur only in living organisms, from cyanogen . (wikipedia.org)
The effectiveness of systems that employ chemicals, screens, or sedimentation to treat the water can also be reduced in the face of contamination by elements and other chemicals or compounds that occur simultaneously in organic and inorganic forms. (scienceprog.com)
Inorganic mercury compounds can occur naturally in the environment. (cdc.gov)
Chemical exposures also can occur at home or as the result of an attack. (medscape.com)

Chemicals such as chlorine are then usually added to kill bacteria and other disease-causing pathogens. (scienceprog.com)

Students should be thorough with the Classification of Elements and Periodicity in Properties, p - block Elements, Chemical Bonding, and Coordination Compounds. (etoosindia.com)

Boron is a chemical element with the symbol B and atomic number 5. (robocup2009.org)
Vitalism survived for a short period after the formulation of modern ideas about the atomic theory and chemical elements . (wikipedia.org)
In situ transmission electron microscopy (TEM) provides unique possibilities for visualising, at the atomic scale, the formation of inorganic nanocrystals. (lu.se)

Is mercury sulfide an ionic compound? (atheistsforhumanrights.org)
rather than an ionic compound. (atheistsforhumanrights.org)

These treatments use chemicals to counteract negatively charged particles and facilitate the removal of solids and clarify the water. (scienceprog.com)

More than 4,000 naturally occurring minerals-inorganic solids that have a characteristic chemical composition and specific crystal structure-have been found on Earth. (nationalgeographic.com)

FERTILIZERS: Element Requirements for Cattleyas N -- 50 ppm. (orchids.org)
FERTILIZERS: Element Requirements for Most Other Than Cattleyas N -- 100 ppm. (orchids.org)

This class of chemicals has a wide range of applications and includes graphite, diamond, and the more recently discovered graphene, fullerenes, and other carbon nanotubes. (fishersci.com)

Microscopic organisms in water and soil can convert elemental and inorganic mercury into an organic mercury compound, methylmercury, which accumulates in the food chain. (cdc.gov)

CO 2 ), and cyanides are generally considered inorganic . (wikipedia.org)

Pharmaceutical chemicals are the active ingredients in medicines. (popherald.com)

Chemicals are integral to energy generation, including fossil fuels, nuclear power, and renewable energy sources. (popherald.com)

Chemical bonding analysis in position space. (mpg.de)
Chemical bonding in MgAgAs-type compounds. (mpg.de)
The ELF Perspective of chemical bonding. (mpg.de)
Crystal Structure and Bonding in Intermetallic Compounds. (mpg.de)

6) Class 148, Metal Treatment, subclasses 95-122, 194-287, and 500-714, in class schedule order, providing for certain processes of treating solid or semisolid metal by modifying or maintaining the internal physical structure (i.e., microstructure) or chemical properties of metal, processes of reactive coating of metal or processes of chemical-heat removing (e.g., flame-cutting etc.) or burning of metal. (uspto.gov)
Many industries produce organic and inorganic contaminants during their processes, making it harder to treat the wastewater, regardless of which treatment method is used. (scienceprog.com)
Chemical processes enable the transformation of raw materials into finished goods. (popherald.com)
Inorganic mercury compounds are used in some industrial processes and in the making of other chemicals. (cdc.gov)

In chemical nomenclature, an organyl group , frequently represented by the letter R, refers to any monovalent substituent whose open valence is on a carbon atom. (wikipedia.org)

More than 20 years of experience and focus is resulting in high-quality nanowire structures of virtually all III-V element combinations and heterostructures with atomically sharp interfaces. (lu.se)

As the lightest element in the boron family, it has three valence electrons that can form covalent bonds to produce compounds as diverse as boric acid, mineral sodium borate, and super hard crystals of boron carbide and boron nitride. (robocup2009.org)
The chemical properties of MgS resemble those of related ionic sulfides such as those of sodium, barium, or calcium. (roadlesstraveledstore.com)

In fact, the majority of elements in the periodic table of elements are inorganic compounds. (fishersci.com)
It is an element of the boron group in the periodic table. (britannica.com)

A special issue of Inorganics (ISSN 2304-6740). (mdpi.com)

Different trace elements can produce other colors, allowing beryl to form semiprecious stones such as aquamarine. (nationalgeographic.com)

Sequential extraction was used in this U.S. Bureau of Mines study to determine the fractions of Cd, Pb, and Zn in abandoned Pb-Zn mill tailing amended with four types of organic residues, applied at three levels, with and without inorganic fertilizer. (cdc.gov)

With the increased exposure to industrial chemicals in significant quantity came the first associations between chemical compounds and public health. (greenspec.co.uk)
What was unknown until modern toxicology evolved after WWII, was the effect of low-level, or 'chronic' chemical exposure on populations. (greenspec.co.uk)
If repeatedly eaten or applied to the skin over long period of time, some inorganic mercury compounds can cause effects similar to what is seen with long term mercury vapor exposure, including neurological disturbances, memory problems, skin rash, and kidney abnormalities. (cdc.gov)
In the Fourth National Report on Human Exposure to Environmental Chemicals (Fourth Report) , CDC scientists measured total mercury in the blood of 8,373 participants aged one year and older who took part in the National Health and Nutrition Examination Survey (NHANES) during 2003-2004. (cdc.gov)
Mercury in the urine is a measure of inorganic mercury exposure. (cdc.gov)
Chemical analysis of arsenic levels in tissue, hair, or nails is possible, but levels may be normal if exposure is not recent. (medscape.com)
provide health care services for prevention, treatment and care of populations affected by exposure to mercury and mercury compounds. (who.int)
Chemical injuries are commonly encountered following exposure to acids and alkali, including hydrofluoric acid (HF), formic acid, anhydrous ammonia, cement, and phenol. (medscape.com)

Americium compounds are compounds containing the element americium (Am). These compounds can form in the +2, +3, and +4, although the +3 oxidation state is the most common. (wikipedia.org)
Conventional ash extraction relies on furnace combustion that inevitably alters the inorganic compounds due to oxidation and decomposition. (osti.gov)

Industrial wastewater is divided based on the types of contaminants it contains: organic and inorganic. (scienceprog.com)
The FDA regulations for bottled water generally correspond with EPA standards for chemical or microbial contaminants. (cdc.gov)

My work includes production of both synthetic and biological reference materials as well as chemical analysis of fossil speciemens. (lu.se)

Over time, regulations and safety measures have been established to govern the production, use, and disposal of chemicals. (popherald.com)

Thimerosal and phenylmercuric acetate are other types of organic mercury compounds made in small amounts for use as preservatives. (cdc.gov)

Tin metal, and inorganic and organic tin compounds can be found in the air, water, and soil near places where they are naturally present in the rocks, or where they are mined, manufactured, or used. (cdc.gov)

Materials' and 'compounds' refer to any physical matter, whether it's organic or inorganic. (thesaurus.net)
These words can be used interchangeably in different contexts, especially when referring to the physical and chemical properties of matter. (thesaurus.net)

Molecular paleontology aims at elucidating the origin, evolution and characteristics of ancient species, preserved in the fossil record, using chemical and spectrometric methods to extract molecular information on biomolecules present in the organisms while they were alive. (lu.se)

For example, selenium removal is complicated because this nutrient occurs in both organic and inorganic forms. (scienceprog.com)
Certain industries, such as mining and petrochemicals, commonly produce wastewater that contains both the organic and inorganic forms of selenium. (scienceprog.com)

Elemental mercury is an element that has not reacted with another substance. (atheistsforhumanrights.org)
In the body, elemental mercury can be converted to inorganic mercury. (cdc.gov)

Organic reactions are chemical reactions involving organic compounds. (conceptdraw.com)

Hazardous chemicals pose risks to human health and the environment due to their toxic, flammable, corrosive, or reactive properties. (popherald.com)
Proper handling and personal protective equipment are crucial when working with hazardous chemicals. (popherald.com)
In addition to individualized state health departments, the following 5 national sources provide information regarding death and injuries caused by chemical releases: National Response Center (NRC), Department of Transportation (DOT), Hazardous Materials Information System (HMIS), Acute Hazardous Events (AHE) Database, and American Poison Control Centers Association. (medscape.com)

An ionic bond is formed when a metal element gives an electron(s) to a receiving nonmetal element that gains its electrons. (roadlesstraveledstore.com)
In this chapter, different and perhaps unconventional approaches to developing a test-informed protocol for constructing complete bioimaging probes (incorporating inorganic and organometallic transition metal complexes and carbon nanomaterial scaffolds) and testing their functionalities in cells are highlighted. (bath.ac.uk)
In K. K-W. Lo (Ed.), Inorganic and Organometallic Transition Metal Complexes with Biological Molecules and Living Cells (pp. 245-327). (bath.ac.uk)
This compound belongs in the group of transition metal dichalcogenides. (mis-asia.com)
Mercury is an element and a metal that is found in air, water, and soil. (cdc.gov)
Fabrication of high-quality III-V semiconductor nanowires primarily using metal-organic vapour phase epitaxy or chemical beam epitaxy has been a key research area within NanoLund since before the year 2000. (lu.se)

Tin can combine with other chemicals to form compounds. (cdc.gov)
Tin also can combine with carbon to form organotin compounds (i.e., dibutyltin, tributyltin, triphenyltin). (cdc.gov)

Chemical parameters of environmental pollution and the methods for remediation of chemical pollutants of air, water, and land. (mvsu.edu)
This study developed composition-preserving methods for extracting and analyzing extrinsic and intrinsic inorganic compounds. (osti.gov)
The main techniques used are standard chemical methods including extractions, chromatography, crystallizations as well as various analytical techniques such as NMR and IR spectrospcopy. (lu.se)

As elements were discovered and new compounds synthesised, so too did the capacity to analyse and detect chemicals outside of the lab. (greenspec.co.uk)

Anatomy11

Organisms10

Diseases3

Chemicals and Drugs96

Analytical, Diagnostic and Therapeutic Techniques and Equipment45

Phenomena and Processes79

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena2

Technology, Industry, Agriculture4

Information Science13

Health Care6

Chemistry29

Salts7

Atoms6

Substances10

Hydrocarbons3

Carbonates1

Sulfur6

Hydrogen7

Oxides2

Oxygen3

Metallic2

Synthesis3

Nonmetallic1

Formulas1

Metals7

Characterization2

Occur4

Chlorine1

Classification1

Atomic3

Ionic compound2

Charged particles1

Solids1

FERTILIZERS2

Carbon Nanotubes1

Methylmercury1

Cyanides1

Pharmaceutical1

Fossil fuels1

Bonding4

Processes4

Nomenclature1

Combinations1

Sodium2

Periodic Table2

ISSN1

Trace elements1

Fractions1

Exposure8

Oxidation2

Contaminants2

Synthetic1

Disposal1

Types of organic1

Naturally1

Physical2

Species1

Selenium2

Elemental mercury2

Reactions1

Hazardous3

Metal6

Form2

Methods3

Analyse1