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Physics, 12.08.2020 09:01 carlosatniel47

The isotope (_90^234)Th has a half-life of 24days and decays to (_91^234)Pa. How long does it take for 90% of a sample of (_90^234)Th to decay to (_91^234)Pa?

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The isotope (_90^234)Th has a half-life of 24days and decays to (_91^234)Pa. How long does it take f...

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