Answer:
1) An unstable nucleus
c. emits energy when it decays
2)The charge on gamma ray is
c. 0
3) what particle is emitted in alpha radiation?
c. helium nucleus
4) The least penetrating form of radiation is
c. Alpha radiation
5) What is the change in atomic number when an atom emits a BETA particle?
D. increases by 1
- There you go loves :)