Multiple Choice
Radon-222 has a half-life of 3.82 days. How many alpha emissions would have occurred when a 10 g of radon-222 sample decays over 19.1 days?
A) 3.39 × 1020 emissions
B) 8.47 × 1020 emissions
C) 5.42 × 1021 emissions
D) 2.62 × 1022 emissions
E) 4.18 × 1025 emissions
Correct Answer:
Verified
Correct Answer:
Verified
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