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 gi8 7lcs4s(8 hm9chzsfs ven by Z, y+id:dcj t yf:; p(befzksp+1 .l *,hyits atomic mass by A, and its neutron number by yyyfd.dj+: e,tf+:;zik *sp(bcl 1p h N, 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

微信扫一扫，分享更方便