Thallium-201, a radioactive isotope used to image the heart, has a half-life of 3.05 d. How long wou — Kinetics Chemistry Question
Question
Thallium-201, a radioactive isotope used to image the heart, has a half-life of 3.05 d. How long would it take for a sample of thallium-201 to decay to 18% of its original activity?
A.
4.4 d
B.
6.1 d
C.✓ Correct
7.5 d
D.
17 d
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