Give the symbolic representation of alpha decay, beta decay and gamma decay.

Explanation

(i) `alpha` - decay :
`""_(Z)^(A)Xto""_(Z-2)^(A-4)Y+""_(2)^(4)He` Here X is called the parent nucleus and Y is called the daughter nucleus.
`beta` - decay is represented by :
`""_(Z)^(A)Xto""_(Z+1)^(A)Y+e^(-)+v`
It implies that the element X becomes Y by giving out an electron and antineutrino.
(iii) The gamma decay is given by :
`""_(Z)^(A)X^(+)to""_(Z)^(A)X+"gamma"(gamma)`rays
In gamma decay, there is no change in the mass number or atomic number of the nucleus.