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 atomic mass number of v6 4evlh8t0+7ry n is : iwuuhvb9;lhhvv/h97 14 kvbv,b::zht w(:2hmog 8z( xw and atomic number 6 has how many neutro: ,2wg8kz b(vhm :whz v:obx(tns?

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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