Physics Unit30: Nuclear Physics and Radioactivity (id: 98f63a859)

admin

本题目来源于试卷: Physics Unit30: Nuclear Physics and Radioactivity，类别为 Generic Physics

[单选题]
An atom's atomic numz 5 xb9r)wsg9 vn0sga)ber is,rocvw:(w nu .g/jum 8 determined by the number of

A. neutrons in its nucleus.
B. nucleons in its nucleus.
C. protons in its nucleus.
D. alpha particles in its nucleus.


参考答案:  C


本题详细解析: 暂无