Physics Unit30: Nuclear Physics and Radioactivity (id: 0a4e3e705)

[单选题]
In all three types of v ato4c9kv 6mbp0ku9;ra.o)v+(8e he1fem rpx c.mtz)ddioactive decay, what value is conserved in addition to electric charge, energy, )z.)td .h+v8e 1eemoc rxmpf(and momentum?

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