• The most stable isotope, Ac-227, has a half-life of 217 years. (ontologyportal.org)
  • Am-243 is the most stable isotope, with a half-life of 7.95*10^3 years. (ontologyportal.org)
  • It has one stable isotope: 27Al, which is highly abundant, making aluminium the twelfth-most common element in the universe. (wikipedia.org)
  • Of aluminium isotopes, only 27 Al is stable. (wikipedia.org)
  • This makes aluminium very useful in nuclear magnetic resonance (NMR), as its single stable isotope has a high NMR sensitivity. (wikipedia.org)
  • There are 2 naturally occurring isotopes of vanadium, 1 of which is stable. (buyisotope.com)
  • Given is each element's element symbol, atomic number, atomic mass or most stable isotope, and group and period numbers on the periodic table. (butterflymodels.pl)
  • Gallium has two stable isotopes and both are used in nuclear medicine and physics. (shef.ac.uk)
  • this is its only stable isotope. (wikimili.com)
  • The primary decay mode at masses lower than the only stable isotope, 45 Sc, is electron capture , and the primary mode at masses above it is beta emission . (wikimili.com)
  • 153 Eu is a stable isotope, however 151 Eu decays very slowly, giving off alpha particles. (coinandbullionpages.com)
  • Has no stable isotopes. (sciencealpha.com)
  • Plutonium is the heaviest primordial element by virtue of its most stable isotope , plutonium-244 , whose half-life of about 80 million years is just long enough for the element to be found in trace quantities in nature. (infogalactic.com)
  • it decays directly to its stable daughter isotope , 206 Pb . (wikizero.com)
  • Calculations have shown that 326Ubt would be the most stable isotope, but can there be more than 137 elements? (chemcafe.net)
  • Among them, there are five stable isotopes of titanium: titanium-46, titanium-47, titanium-48, titanium-49, and titanium-50, and the rest of the isotopes are radioactive. (sputtertargets.net)
  • Silvery radioactive metallic element, belongs to group 3 of the periodic table. (ontologyportal.org)
  • Silvery-white lustrous metallic element of group 3 of the periodic table. (ontologyportal.org)
  • Silvery-white reactive element, belonging to group 2 of the periodic table. (ontologyportal.org)
  • Gallium belongs to group 13 of the periodic table. (moviecultists.com)
  • Ytterbium (Yb) is a silvery coloured metal that has the atomic number 70 in the periodic table. (purdue.edu)
  • This silvery gray, crystalline transition metal lies between manganese and rhenium in group 7 of the periodic table , and its chemical properties are intermediate between those of both adjacent elements. (knowpia.com)
  • In its elemental form, titanium has a silvery grey-white metallic appearance. (americanelements.com)
  • Ultra-pure gallium has a beautiful, silvery appearance, and the solid metal exhibits a conchoidal fracture similar to glass. (shef.ac.uk)
  • Scandium is a soft metal with a silvery appearance. (wikimili.com)
  • It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. (everipedia.org)
  • Located deep underground at the Baksan Neutrino Observatory in the Caucasus mountains in Russia, the completed two-zone gallium target, at left, contains an inner and outer tank of gallium, which is irradiated by an electron neutrino source. (scitechdaily.com)
  • The reaction between the electron neutrinos from the chromium 51 and the gallium produces the isotope germanium 71. (scitechdaily.com)
  • The results of that experiment and others indicated a deficit of electron neutrinos - a discrepancy between the predicted and the actual results that came to be known as the "gallium anomaly. (scitechdaily.com)
  • A set of 26 irradiated disks of chromium 51 are the source of electron neutrinos that react with gallium and produce germanium 71 at rates that can be measured against predicted rates. (scitechdaily.com)
  • Comprehensive information for the element Gallium - Ga is provided by this page including scores of Atomic Structure of Gallium Electron Dot Model. (hindantibiotics.in)
  • It is silvery gold, soft, and ductile. (butterflymodels.pl)
  • It is silvery white, soft, and ductile. (lanl.gov)
  • This metal is silvery gold in color and is both soft and ductile. (wikidoc.org)
  • It is a saft, silvery, ductile metal which easily oxidizes in air. (wikipedia.org)
  • Because even the longest-lived isotope of technetium has a relatively short half-life (4.21 million years), the 1952 detection of technetium in red giants helped to prove that stars can produce heavier elements . (knowpia.com)
  • A lustrous , silvery gray, tetravalent transition metal , hafnium chemically resembles zirconium and is found in many zirconium minerals . (wikiwand.com)
  • An isotope of yttrium, Y90, is used in needles for certain surgical procedures. (purdue.edu)
  • Europium is used as a dopant for many materials, including yttrium oxide, gallium nitride, strontium aluminate, zinc / aluminium double hydroxides and monoclinic gadolinium oxide. (coinandbullionpages.com)
  • A silvery metallic transition metal, yttrium is common in rare-earth minerals and two of its compounds are used to make the red color phosphors in cathode ray tube displays, such as those used for televisions. (testbourne.com)
  • Caesium, gallium, and mercury are the only three metals that are liquid at or around room temperature. (butterflymodels.pl)
  • Along with gallium , francium, and mercury , caesium is among the only metals that are liquid at or near room temperature. (wikidoc.org)
  • It is silvery-white metallic transition element. (buyisotope.com)
  • Titanium is a silvery-white transition metal characterized by lightweight, high strength and metallic luster. (sputtertargets.net)
  • The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. (nuclear-power.com)
  • Ultra high purity silicon can be doped with boron , gallium , phosphorus, or arsenic to produce silicon for use in transistors, solar cells , rectifiers, and other solid-state devices which are used extensively in the electronics industry .The name Silicon originates from the Latin word silex which means flint or hard stone. (americanelements.com)
  • In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. (periodic-table.org)
  • The known isotopes of scandium range from 36 Sc to 60 Sc. (wikimili.com)
  • Scandium is a silvery-white metal which develops a slightly yellowish or pinkish cast upon exposure to air. (webelements.com)
  • In the 1990s gallium nitride (GaN) was discovered to emit blue light in light-emitting diodes (LEDs). (shef.ac.uk)
  • Where more than one isotope exists, the value given is the abundance weighted average. (rsc.org)
  • Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. (nuclear-power.com)
  • The Ga-68 that is created from the decay of Ge-68 is used as a PET isotope. (shef.ac.uk)
  • The primary decay products at atomic weights below 45 Sc are calcium isotopes and the primary products from higher atomic weights are titanium isotopes. (wikimili.com)
  • The quantity of isotopes in the decay chains at a certain time are calculated with the Bateman equation . (marefa.org)
  • More than a mile underground in the Baksan Neutrino Observatory in Russia's Caucasus Mountains, BEST used 26 irradiated disks of chromium 51 to irradiate an inner and outer tank of gallium, a soft, silvery metal also used in previous experiments, though previously in a one-tank set-up. (scitechdaily.com)
  • Vanadium-50 isotope is available to order from BuyIsotope.com in Vanadium-50 oxide (V2O5) chemical form and in Vanadium-50 metal (V) chemical form. (buyisotope.com)
  • Cesium metal is silvery-gold. (butterflymodels.pl)
  • Neptunium metal is silvery and tarnishes when exposed to air. (viking.nu)
  • Its atomic number is 31 with the symbol Ga . It is a soft, silvery metal at standard temperature and pressure. (moviecultists.com)
  • Europium is a moderately hard, silvery-colored metal. (coinandbullionpages.com)
  • Neodymium is a soft, bright, silvery white metal. (chemicool.com)
  • Silvery-white radioactive metal. (sciencealpha.com)
  • A soft, silvery metal. (rsc.org)
  • Neodymium metal has a bright silvery colour and metallic lustre. (avalonadvancedmaterials.com)
  • It is a hard, silvery-white metal which is named in honour of Marie and Pierre Curie. (learnool.com)
  • Tin-112 isotope is available to order from BuyIsotope.com in Tin-112 metal (Sn) chemical form. (buyisotope.com)
  • Tantalum is a shiny, silvery metal. (attelements.com)
  • Vanadium has nuclear applications, the foil is used in cladding titanium to steel, and vanadium-gallium tape is used to produce a superconductive magnet. (buyisotope.com)
  • There are 13 known isotopes of titanium, including titanium-41 to titanium-53. (sputtertargets.net)
  • Cesium has more isotopes than any element--32--with masses ranging from 114 to 145. (lanl.gov)
  • Nearly all aluminium on Earth is present as this isotope, which makes it a mononuclidic element and means that its standard atomic weight is virtually the same as that of the isotope. (wikipedia.org)
  • Eka-aluminium was the name given by Mendeleev to the undiscovered element which now exists by the name of Gallium. (moviecultists.com)
  • Isotopes are atoms of the same element, with different numbers of neutrons. (moviecultists.com)
  • It is a silvery-white metallic d-block element . (wikimili.com)
  • It is the lightest element whose isotopes are all radioactive . (knowpia.com)
  • In 1937, technetium (specifically the technetium-97 isotope) became the first predominantly artificial element to be produced, hence its name (from the Greek τεχνητός , technetos , from techne , as in "craft", "art" and having the meaning of "artificial", + -ium ). (knowpia.com)
  • The 146th element is Promethium, or ~146~Pm, which is an isotope of mass 146. (chemcafe.net)
  • This isotope is used because, while it is less prevalent than either 133 Cs or 137 Cs , 134 Cs can be produced solely by nuclear reactions. (wikidoc.org)
  • The first atoms were made through a nuclear reaction involving fusion of an isotope of lead, 208 Pb, with one of iron, 58 Fe. (webelements.com)
  • Long-lived technetium isotopes produced commercially are byproducts of the fission of uranium-235 in nuclear reactors and are extracted from nuclear fuel rods . (knowpia.com)
  • Gallium atoms have 31 electrons and the shell structure is 2.8.18.3. (shef.ac.uk)
  • The remaining isotopes of aluminium, with mass numbers ranging from 22 to 43, all have half-lives well under an hour. (wikipedia.org)
  • The isotopic mass usually differs for other isotopes and is usually within 0.1 u of the mass number. (nuclear-power.com)
  • Naturally occurring neodymium isotopes are used by geologists to describe the origins of different magmas, and samarium-neodymium isotopes can be used to determine the age of rocks and meteorites. (avalonadvancedmaterials.com)
  • The most common naturally occurring isotope is 99 Tc, in traces only. (knowpia.com)
  • Due to the short half-life of all its isotopes, its natural occurrence is limited to tiny traces of the fleeting polonium-210 (with a half-life of 138 days) in uranium ores , as it is the penultimate daughter of natural uranium-238 . (wikizero.com)
  • The ages and timelines of Martian rock formation can be calculated from the amount of neodymium and tungsten isotopes present. (chemicool.com)
  • Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. (viking.nu)
  • Plutonium isotopes are expensive and inconvenient to separate, so particular isotopes are usually manufactured in specialized reactors. (everipedia.org)
  • It is the only primordial aluminium isotope, i.e. the only one that has existed on Earth in its current form since the formation of the planet. (wikipedia.org)
  • Gallium compounds appear not to be particularly toxic. (shef.ac.uk)
  • Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of gallium where known. (shef.ac.uk)
  • All other isotopes of aluminium are radioactive. (wikipedia.org)
  • gallium is normally a byproduct of the manufacture of aluminium. (shef.ac.uk)
  • The purification of bauxite by the Bayer process results in concentration of gallium in the alkaline solutions from an aluminium:gallum ratio from 5000 to 300. (shef.ac.uk)
  • has an atomic number of (2 + 8 + 1) = 11 Sodium exists as a silvery color solid. (hindantibiotics.in)
  • The longest living isotope is is 257 Fm with a half-life of 80 days. (webelements.com)
  • Though longer-lived isotopes exist, such as the 125.2 years half-life of polonium-209, they are much more difficult to produce. (wikizero.com)