Question

What represents beta decay?

Answer 1

Beta decay means the ejection of a beta particle, which is the same as an electron.

Explanation:

This can only happen is a neutron splts into an electron and a proton:

`n^0->p^+ +e^-`

This will increase the atomic number `A` by `1`, without altering the mass number `Z`., in other words, the atom will move up one position in the periodic system.