Radionuclide - Wikipedia, the free encyclopedia
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A radionuclide is an atom with an unstable nucleus, which is a nucleus characterized by excess energy which is available to be imparted either to a newly-created radiation particle within the nucleu...
en.wikipedia.org/wiki/Radionuclide
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Types of radioactive isotopes (by origin) ... Radioactive isotopes are nuclides (isotope-specific atoms) that have unstable nuclei that decay, emitting alpha, beta, and sometimes gamma rays. ... Types of radioactive isotopes by origin (return to top)
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www.sahra.arizona.edu/programs/isotopes/types/radioacti...
www.sahra.arizona.edu/programs/isotopes/types/radioactive.html
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Very careful measurements show that many materials contain traces of radioactive isotopes. For a time it was thought that these materials were all members of the actinide series;
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www.factmonster.com/ce6/sci/A0840928.html
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definition: variant of a chemical element with the same number of electrons and protons, but a different number of neutrons and radioactive properties. (en); ... definition: see radioactive isotope (en); number: singular; part of speech: noun; reliability code: 10; term type: abbreviated form of term...
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www.ugr.es/~oncoterm/csdata/RADIOACTIVE-ISOTOPE.html
www.ugr.es/~oncoterm/csdata/RADIOACTIVE-ISOTOPE.html
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Some H-bomb test & reactor-borne isotopes, their radioactive half-lives & radioactive emissions ... In the far-distant future, all the long-lived radioactive material, even that now stored and trapped, will mix with the biosphere unless each generation repackages it.; --Dr. Rosalie Bertell, No Immediate Danger.
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www.no-nukes.org/nukewatch/summer99/isotopes.html
www.no-nukes.org/nukewatch/summer99/isotopes.html
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An isotopic form of an element with an unstable nucleus that stabilizes itself by emitting ionizing radiation. ... Biology Glossary search by EverythingBio.com ... Website created and maintained by: Mark Lefers and the Holmgren Lab last updated: July 26, 200...
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www.biochem.northwestern.edu/holmgren/Glossary/Definiti...
www.biochem.northwestern.edu/holmgren/Glossary/Definitions/Def-R/radioactive_isotope.html
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A brief treatment of radioactive isotopes follows. For full treatment, see isotope: Radioactive isotopes. ... Every chemical element has one or more radioactive isotopes. For example, hydrogen, the lightest element, has three isotopes with mass numbers 1, 2, and 3. Only hydrogen-3 (tritium), however, is a radioactive...
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www.britannica.com/EBchecked/topic/489027/radioactive-i...
www.britannica.com/EBchecked/topic/489027/radioactive-isotope
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One of two or more atoms with the same number of protons but a different number of neutrons with a nuclear composition. In nuclear scanning, radioactive isotopes are used as a diagnostic agent.
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medical-dictionary.thefreedictionary.com/radioactive+is...
medical-dictionary.thefreedictionary.com/radioactive+isotope
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