davisjonnie23
davisjonnie23 davisjonnie23
  • 04-05-2017
  • Physics
contestada

It takes 6400 years for one gram of radium to decay away to only 1/16 (one-sixteenth) of a gram. The half-life of radium is

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summerbella
summerbella summerbella
  • 04-05-2017
1/16........................................
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