List of elements by stability of isotopes information
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Isotope half-lives. The darker more stable isotope region departs from the line of protons (Z) = neutrons (N), as the element number Z becomes larger.
This is a list of chemical elements by the stability of their isotopes. Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable.[1] Overall, there are 251 known stable isotopes in total.
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stable isotopes, those isotopes predominate in the elemental abundance found on Earth and in the Solar System. However, in the cases of three elements (tellurium...
stable isotope (nuclide). There are 26 such elements, as listed. Stability is experimentally defined for chemical elements, as there are a number of stable...
Beryllium (4Be) has 11 known isotopes and 3 known isomers, but only one of these isotopes (9 Be ) is stable and a primordial nuclide. As such, beryllium...
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A table or chart of nuclides is a two-dimensional graph ofisotopesof the elements, in which one axis represents the number of neutrons (symbol N) and...
Fluorine (9F) has 18 known isotopes ranging from 13 F to 31 F (with the exception of 30 F ) and two isomers (18m F and 26m F ). Only fluorine-19 is stable...
different formation processes of the two stable isotopesof helium produce the differing isotope abundances. Equal mixtures of liquid 3 He and 4 He below...
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Radionuclide List ofelementsbystabilityofisotopes Until 2003, 209Bi was thought to be in the first category. It was then found to have a half-life of 1019 years...
occurring isotopes but none are stable. One isotope, 232Th, is relatively stable, with a half-life of 1.405×1010 years, considerably longer than the age of the...
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(20Ca) has 26 known isotopes, ranging from 35Ca to 60Ca. There are five stable isotopes (40Ca, 42Ca, 43Ca, 44Ca and 46Ca), plus one isotope (48Ca) with such...
which have no stable isotopes). Isotopes considered stable are those for which no radioactive decay has yet been observed. Elements with atomic numbers...
helium through sulfur the most abundant isotopesof equal number of protons and neutrons. The abundance ofelements in the Sun and outer planets is similar...
varying rates: the half-lives of their longest-lived isotopes range from microseconds to millions of years. Five more elements that were first created artificially...
Extinct isotopesof superheavy elements are isotopesof superheavy elements whose half-lives were too short to have lasted through the formation of the Solar...
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stable isotope is reached: there are 251 stable isotopes in the universe. In stable isotopes, light elements typically have a lower ratio of neutrons...
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