Multiple Choice
If 1.0 gram of an isotope has a half-life of 15 hours,the half-life of a 0.50 gram sample of the same isotope is ________.
A) 60 hours
B) 30 hours
C) 7.5 hours
D) 15 hours
E) 3.75 hours
Correct Answer:

Verified
Correct Answer:
Verified
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