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A Freshly Prepared Sample of Curium-243 Undergoes 3312 Disintegrations Per

Question 171

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A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 8.00 yr, the activity of the sample declines to 2591 disintegrations per second. The half-life of curium-243 is A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 8.00 yr, the activity of the sample declines to 2591 disintegrations per second. The half-life of curium-243 is A) 6.26 B) 32.6 C) 10.2 D) 1.36 E) 22.6


A) 6.26
B) 32.6
C) 10.2
D) 1.36
E) 22.6

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