Alpha Mass number
Alpha Atomic number
4
2
Beta-minus mass number
Beta-minus atomic number
0
-1
Positron mass number
positron atomic number
0
1
Neutron emission mass number
neutron emission atomic number
1
0
Why do Gamma rays not change the charge or the mass of a nucleus
Gamma rays are a way of getting rid of excess energy from an atom
the nucleus goes from an excited state to a more stable state when emitting a gamma ray