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 atomx /.gulm jj dyyb)bkrq(vnl s99 :t+:4ic mass number of 1de -cvkun97hu uwi5abuq;z)u )86k+g 4 and atomic number 6 has how many neutrozvd7 )6;acgu9 5ui8+uk)unwe qukh b-ns?

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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