Physics Unit30: Nuclear Physics and Radioactivity (id: a51baee97)

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]
The binding energy o9acu fnt8u5e) l e2rhdrp4,*ff a nucleus is contributed iz(c*xgl2 bk8we 70kjto

A. radioactivity.
B. alpha decay.
C. too many neutrons.
D. mass defect.


参考答案:  D


本题详细解析: 暂无

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