The radioisotope N-13, which has a half-life of 10 minutes, is used to image organs in the body. If — Kinetics Chemistry Question
Question
The radioisotope N-13, which has a half-life of 10 minutes, is used to image organs in the body. If an injected sample has an activity of 40 microcuries (40 µCi), what is its activity after 25 minutes in the body?
A.
0.75 µCi
B.
3.5 µCi
C.✓ Correct
7.1 µCi
D.
12 µCi
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