Chemistry, 02.04.2020 02:45 raeanparker

A radioactive isotope of the element potassium decays to produce argon. If the ratio of the number of argon to potassium atoms is found to be 7:1, how many half-lives have occurred since the sample of radioactive potassium started to decay

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A radioactive isotope of the element potassium decays to produce argon. If the ratio of the number o...

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