The half-life of radium is about 1600 years and its atomic number is 226. Find the percentage of undecayed atoms left after 100 years and the activity of 1 mg of radium (assume one disintegration/atom)
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The half-life of radium is about 1600 years and its atomic number is 226. Find the percentage of undecayed atoms left after 100 years and the activity of 1 mg of radium (assume one disintegration/atom)
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