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A1 A1
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Posts: 257
Rep: 1 0
5 years ago
In radioactive decay, when the parent material decays to one-half of its original amount, the time is
A) one half-life.
B) two half-lives.
C) three half-lives.
D) four half-lives.
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nhoclocnhocloc
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Posts: 185
5 years ago
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5 years ago
Such a godsend, you helped me and my friend big time
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