Physics Unit30: Nuclear Physics and Radioactivity (id: 9c09df9a4)

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]
An element with atomi;q6z- 6kxoqnf/ f6k fec mass number of 14 and atomic -, qvrjoh,my4 number 6 has how many neutronsrj4mh ,voy,q -?

A. 6
B. 8
C. 14
D. 20


参考答案:  B


本题详细解析: 暂无

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