Physics, asked by acdbr6820, 26 days ago

The number of known isotopes is roughly

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Answered by deepalimesare
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The approximately ninety naturally occurring elements are estimated to occur as 339 different isotopes, of which roughly 250 are stable and 35 are unstable (radioactive) with extremely long half-lives of millions of years. More than 3,000 additional radioactive isotopes have been artificially created.

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