Physics Unit30: Nuclear Physics and Radioactivity (id: f85dd1cb1)

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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]
Which of the atomic parn;q7 zv/uza11dnamht ) z 5es6tic4 boax+t9 jel0f+ c)kcles has the least mass?

A. electron
B. proton
C. neutron
D. nucleon


参考答案:  A


本题详细解析: 暂无