kkswag4299 kkswag4299

04-03-2018
Chemistry

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If the half-life of a radioactive isotope is 5,000 years, how much of the radioactive isotope in a specimen will be left after 10,000 years?

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Rohan11 Rohan11

04-03-2018

10,000÷5,000=2 which means the amount of radioactive isotope has reduced by half twice. so, 25% of the starting amount of radioactive isotope will be left.

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