Mathematics, 27.07.2019 19:30 emmeaw245
Radium-226, an isotope of radium, has a half-life of 1,601 years. suppose your chemistry teacher has a 50-gram sample of radium-226. how much of the sample will be remaining after 100 years?
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Radium-226, an isotope of radium, has a half-life of 1,601 years. suppose your chemistry teacher has...
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