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    Exam 19: Radioactivity and Nuclear Chemistry
  5. Question
    A Freshly Prepared Sample of Curium-243 Undergoes 3312 Disintegrations Per
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A Freshly Prepared Sample of Curium-243 Undergoes 3312 Disintegrations Per

Question 2

Question 2

Multiple Choice

A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 2.00 y., the activity of the sample declines to 3115 disintegrations per second. The A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 2.00 y., the activity of the sample declines to 3115 disintegrations per second. The   of   is   A)  0.157 B)  2.13 C)  32.6 D)  1.88 E)  22.6 of A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 2.00 y., the activity of the sample declines to 3115 disintegrations per second. The   of   is   A)  0.157 B)  2.13 C)  32.6 D)  1.88 E)  22.6 is A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 2.00 y., the activity of the sample declines to 3115 disintegrations per second. The   of   is   A)  0.157 B)  2.13 C)  32.6 D)  1.88 E)  22.6


A) 0.157
B) 2.13
C) 32.6
D) 1.88
E) 22.6

Correct Answer:

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