本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics
[单选题]
If an atom's atomic number isz 2d+u8o/ yf r0xsi-dhez ;ik6,bj2j d given byes8v990q x xie Z, its atomic mass by A, and its neutron number by N, which of the follow9xei 9x8q0 sveing 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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Post time 2024-1-22 01:01:29