What stays unchanged during $\beta$-emission from a set of identical nuclei in a substance?
- Aenergy of the $\beta$-particles
- Bneutron number of the nuclei
- Cnucleon number of the nuclei
- Dproton number of the nuclei
Physics 9702 · AS & A Level · Atoms, nuclei and radiation
What stays unchanged during $\beta$-emission from a set of identical nuclei in a substance?