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]
Isotopes of an elemen7ry9k lv 2v.j z1s+1 exnmuv-ulb b ;gh,ju /*gzq. 3 mvhj:gz2asnd;-t have nuclei with
A. the same number of protons, but different numbers of neutrons.
B. the same number of protons, and the same number of neutrons.
C. a different number of protons, and a different number of neutrons.
D. a different number of protons, and the same number of neutrons.
参考答案: A
本题详细解析:
暂无
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