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stable isotope |
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isotope (ī´sōtōp), n one of several nuclides having the same number of protons in their nuclei, and hence having the same atomic number but differing in the number of neutrons, and therefore in the mass number. The isotopes of a particular element have virtually identical chemical properties. isotope, stable, n a nonradioactive isotope of an element. stable, adj the term applied to a substance that has no tendency to decompose spontaneously. As applied to chemical compounds, it denotes their ability to resist chemical alterations. stable isotope, n See isotope. isotope a chemical element having the same atomic number as another (i.e. the same number of nuclear protons), but having a different atomic mass (i.e. a different number of nuclear neutrons). radioactive isotope one having an unstable nucleus and which emits characteristic radiation during its decay to a stable form. See also radioisotope. stable isotope one that does not transmute into another element with emission of corpuscular or electromagnetic radiations. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The background to the topic is clearly explained by an overview of the isotopic fractionation patterns between seawater and the host minerals, and the possible modifications to seawater isotopic signatures by various diagenetic processes. 13] did not constitute a major part of this SRM 1649a intercomparison, partly for the above reasons, and partly because of the stringent measures that would be required to minimize errors from isotopic fractionation. |
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