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 9gqlgd y 15ak;p j6pzvopl-1+ ndrhmlw.02 d,q7nk uc 6umber is given by Z, its atomic mass by A, and its neutron number by N, which of 2ud .,7wc6h mdrqlk0nthe 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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