Physics Unit31: Nuclear Energy and Radiation (id: 21a84ad98)

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本题目来源于试卷: Physics Unit31: Nuclear Energy and Radiation，类别为 Generic Physics

[单选题]
In a nuclear reaction3o qfj/ ksgysrk1ys1x)*x n 39, what value is conserved in akw.h. fxhj3ep ;,lu.q ddition to electric charge, energy, and momenl u,k;w jx.qfh3ph. .etum?

A. atomic number
B. neutron number
C. nucleon number
D. none of the given answers


参考答案:  C


本题详细解析: 暂无