Chemistry, 03.08.2019 08:30 vanessagallion

The half life of radium 226 is 1602 years. if you have 500 grams of radium today how many grams would have been present 9612 years ago?

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The half life of radium 226 is 1602 years. if you have 500 grams of radium today how many grams woul...