amys03680
amys03680 amys03680
  • 22-03-2017
  • Chemistry
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8. True or false: Half-life is half the time it takes for a radioactive sample to completely decay.

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premedchemist
premedchemist premedchemist
  • 22-03-2017
This would be false. Half-life is the amount of time it takes for half of a radioactive sample to decay. For example: If we take a 10 gram sample of radium, which has a half-life of about 1600 years, and allow those 1600 years to pass, there would be 5 grams of the radium left.
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