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Chemistry, 01.10.2021 21:20 CalCDanG

A radioisotope is found to decrease from 3.600 x 1024 radioactive atoms to 1.125 x 1023 radioactive atoms in 80,000 years.
What is the radioisotope's Half-Life?
time would it take for 252 ram samnle of Technetium-99 (half life = 2.13 x 105

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A radioisotope is found to decrease from 3.600 x 1024 radioactive atoms to 1.125 x 1023 radioactiv...

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