What change takes place in the nucleus of a radioactive atom when a beta-particle is emitted?
- Aneutron $\rightarrow$ alpha-particle
- Bneutron $\rightarrow$ proton + electron
- Cproton $\rightarrow$ neutron
- Dproton $\rightarrow$ neutron + electron
Physics 0625 · IGCSE · Radioactivity
What change takes place in the nucleus of a radioactive atom when a beta-particle is emitted?