Multiple Choice
After three half-lives have elapsed, the amount of an 8.0 g sample of a radionuclide that
A) remains undecayed is 1.0 g
B) has decayed is 7.0 g
C) remains undecayed is one-third the original amount
D) more than one correct response
E) no correct response
Correct Answer:

Verified
Correct Answer:
Verified
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