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The Half-Life of Americium-241 Is 457 Years

Question 17

Multiple Choice

The half-life of americium-241 is 457 years.What is the activity in curies of a 0.010 g sample of Am-241? (1 Ci = 3.700 × 10¹⁰ atom/s)

A) 0.032 Ci
B) 1.0 Ci
C) 1.0 × 10⁶ Ci
D) 1.0 × 10⁹ Ci
E) 3.79 × 10¹⁶ Ci

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