Physics Unit30: Nuclear Physics and Radioactivity (id: e26f3716a)

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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]
The hydrogen nucleus conrc1pg+(-o otyd 5 kpn,sists do+beoc ufdhw34 6 fe8zjm5/ y4* :olwof

A. a single proton.
B. a single neutron.
C. one proton and one neutron.
D. one proton and two neutrons.


参考答案:  A


本题详细解析: 暂无