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 国际高中通用物理

[单选题]
If an atom's atomic number is given by Z, its atomic mpeww tt:79pid 2n 6gvksi+.c7ass by A, and its l: t8 ak/umfc:iv(z q3neutron number by iq8au:( ztk vlc3:f/mN, which 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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