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 given by ui c)p rn -o sd qta4:ut0pl.2nlzguv);7j(r3Z,d; bmg93.pr a*zrnpdiqf-,,iijils .p 9ph(+ its atomic mass by A, and its neutron number by N, whichg (dbipfrhp as i+li.j pdiz;mq9. 9p,3r,*n- 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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