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anvaridthe anvaridthe
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Posts: 740
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6 years ago

After three half-lives, a radioactive element will have _________ of its original parent atoms.
  a. 1/2 d. 1/8
  b. 1/6 e. 1/32
  c. 1/3

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kellypooh97kellypooh97
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6 years ago
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anvaridthe Author
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6 years ago
Smart ... Thanks!
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Yesterday
Thanks
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2 hours ago
You make an excellent tutor!
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