Polonium-210 undergoes alpha decay with a half-life of 138 d, forming the stable isotope lead-206. H — Kinetics Chemistry Question
Question
Polonium-210 undergoes alpha decay with a half-life of 138 d, forming the stable isotope lead-206. How much time would it take for the activity of a 210Po sample to decrease to 15.0% of its initial value?
A.
138 d
B.
182 d
C.
276 d
D.✓ Correct
377 d
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