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When do radioactive isotopes occur?

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Anonymous

10y ago
Updated: 8/21/2019

A radioactive isotope is an unstable atom which emit radiations as alpha, beta, gamma, neutrons, positrons etc.

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Wiki User

10y ago

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Why are most elements radioactive?

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Is oxygen radioadive?

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Isotopes which have unstable nucleus and break down at a constant rate over time?

radioactive isotopes! :)