Physics Unit30: Nuclear Physics and Radioactivity (id: 5af81363d)

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本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics

[单选题]
An element with atomic.jisy) h1j+55i z1whpf 5xmk di5v n a5.mapqq0.dc5g mass number of 14 and atomic number 6 has how many neutrons?d0.aqmgani5 qvc.5p5

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


参考答案:  B


本题详细解析: 暂无