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 number is giv si :0pmyq18lwen by Z, its atomic mass by A, and its neut.r*8tvqcsn*wk: eksh;dl5 s;ron number by N, which of the following is ; :qs*kd5v.w*k thl ess;n 8crcorrect?

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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