Chemistry, 09.12.2019 09:31, jazzhands16

Thallium-201, a radioactive isotope used to image the heart, has a half life of 3.05 days. how long would it take for a sample of thallium-201 to decay to 18% of its original activity?

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Thallium-201, a radioactive isotope used to image the heart, has a half life of 3.05 days. how long...