Stable isotope
An isotope that does not undergo radioactive decay. | ||||
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Stable isotope Definition from Science & Technology Dictionaries & Glossaries
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stable isotope
Atom whose nucleus is not radioactive and therefore does not alter (decay) with time. Such a nucleus has a stable configuration of protons and neutrons.
Atom whose nucleus is not radioactive and therefore does not alter (decay) with time. Such a nucleus has a stable configuration of protons and neutrons.
Stable isotope Definition from Encyclopedia Dictionaries & Glossaries
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Stable isotope
Stable isotopes are chemical isotopes that are not radioactive (to current knowledge). Stable isotopes of the same element have the same chemical characteristics and therefore behave almost identically. The mass differences, due to a difference in the number of neutrons, result in partial separation of the light from heavy isotopes during chemical reactions (isotope fractionation). For example, the difference in mass between the two stable isotopes of hydrogen, 1H (1 proton, no neutron, also known as protium) and 2H (1 proton, 1 neutron, also known as deuterium) is almost 100%. Therefore, a significant fractionation will occur.
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