Multiple Choice
Radioisotope Q has a half-life of 1 day and radioisotope J has a half life of 25 days. In comparing the radioactivity of 1 g of Q versus 1 g of J,
A) they have equal radioactivity.
B) Q has 1/25 the radioactivity of J.
C) Q has 2.5 times less radioactivity than J.
D) Q has 25 times more radioactivity than J.
E) A comparison cannot be made unless we know the temperature.
Correct Answer:
Verified
Correct Answer:
Verified
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