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Cesium-137 Undergoes Beta Decay and Has a Half-Life of 30

Question 21

Multiple Choice

Cesium-137 undergoes beta decay and has a half-life of 30.0 years.How many beta particles are emitted by a 14.0-g sample of cesium-137 in three minutes?


A) 6.1 × 1013
B) 6.2 × 1022
C) 8.4 × 1015
D) 1.3 × 10-8
E) 8.1 × 1015

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