Atomic Model (id: b694bf0bc)

本题目来源于试卷: Atomic Model，类别为 美国物理杯赛(Physics Bowl)

[单选题]
94.09: An atomic mass unity:p -fmdd* 5mm is approximately equal to the mrw)ntc c z lve6o4i:+ ;c/.wmpass of a(n):

A. alpha particle
B. electron
C. photon
D. positron
E. proton


参考答案:  E


本题详细解析: 暂无

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