Title: What happens to the mass number of a nucleus that emits an alpha particle? Post by: Think on Dec 6, 2014 What happens to the mass number of a nucleus that emits an alpha particle?
A) It remains the same. B) It decreases by two. C) It decreases by four. D) It increases by two. E) It increases by four. Title: Re: What happens to the mass number of a nucleus that emits an alpha particle? Post by: mel!811 on Dec 6, 2014 Content hidden
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