Physics Unit30: Nuclear Physics and Radioactivity (id: 4ee813262)

本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 国际高中通用物理

[单选题]
An atom has 98 protozz: kheo o2v+( loy/ k hy)bo+/4wm,shns and 249 nucleons. If it undergoes alpha dv1t/7w ;fz uq+ a/itvmecay, what are the number of protons and neutrons, respectively, in the wt/ft ;uq/aiz17+vv mdaughter nucleus?

A. 100, 245
B. 94, 247
C. 96, 245
D. 100, 249


参考答案:  C


本题详细解析: 暂无

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