If 1 kg of radium (half-life = 1600 years) is sealed into a container, how much of
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If 1 kg of radium (half-life = 1600 years) is sealed into a container, how much of it will remain as radium after 1600 years? after 4800 years? If the container is opened after a period of time, what gases would you expect to find inside it?
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