Physics Unit30: Nuclear Physics and Radioactivity (id: 508d030c8)

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 number 88px xc fpit;5;j 0l4(mq46i 3e q0dphnm goesb ml6o7 z:weo1 through alpha decay. Its atomic number ismw6b:e7oolz 1 now

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


参考答案:  C


本题详细解析: 暂无

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