Physics Unit30: Nuclear Physics and Radioactivity (id: fdb99f39e)

本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 通用国际物理

[单选题]
Compared to the masse gaj u)h-c ; nmd2vb 8jujj: lp8q+-bf3c3ha-lbnv:x-ef k) h20:j v,cj q+bups of its separate protons and neutrons, the total mass of a stable nuu px)qv knh,e0bj :c2f:-bjv+cleus is always

A. less.
B. the same.
C. greater.
D. zero.


参考答案:  A


本题详细解析: 暂无

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