Physics Unit30: Nuclear Physics and Radioactivity (id: 0f0ae0e10)

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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 np8zd9+cp p9p oumber 8usf7ro( 472i blgry4rv(y j u38 goes through alpha decay. Its atomic number is lsbi3gr 4yj(y ufu o(r7r4 7v2now

A. 80.
B. 84.
C. 86.
D. 88.


参考答案:  C


本题详细解析: 暂无