Physics Unit30: Nuclear Physics and Radioactivity (id: 94b5f1a3a)

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]
If an atom's atomic j/j7fwfg 8uhl 29 /m2w:nhl qymn5p6lnumber is given by Z, it1;n-d0 n5vxk2pql hkfs atomic mass by A, and its neutron number by N, wdvqh p5x lk2;1n kf-n0hich of the following is correct?

A. N = A + Z
B. N = Z - A
C. N = A - Z
D. none of the given answers


参考答案:  C


本题详细解析: 暂无

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