Physics, 09.08.2019 03:20 Geo777

Aradioactive nucleus has a half-life of 5 × 108 years. assuming that a sample of rock (say, in an asteroid) solidified right after the solar system formed, approximately what fraction of the radioactive element should be left in the rock today?

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Aradioactive nucleus has a half-life of 5 × 108 years. assuming that a sample of rock (say, in an as...

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