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18. The mass percent of carbon in a typi..-阿摩線上測驗
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18. The mass percent of carbon in a typical human is 18%, and the mass percent of 
in natural carbon is 1.6 × 
%. For an 80-kg person, how many decay events per second occur in this person due to the p-particle decay of 
? (For 
, half-life for ẞ-decay is 5730 years.)
(A) 2800
(B) 3800
(C) 4800
(D) 5800
18. The mass percent of carbon in a typi..-阿摩線上測驗
This is a large modal.