jazminc235 jazminc235
  • 07-10-2021
  • Chemistry
contestada

Suppose it takes 5 minutes for half of your sample to radioactively decay. If you started with 80 atoms, and have only 5 radioactive atoms left, how many half-lives have occurred?

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cdagone
cdagone cdagone
  • 07-10-2021
4 half lives. If half decay each five minutes 80/2=40 40/2=20 20/2=10 10/2=5
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