What change occurs in the nucleus of an atom when it undergoes beta emission? - Leaving Cert Chemistry - Question (b) - 2009

During beta emission, a neutron in the nucleus of an atom transforms into a proton. This transformation results in the following changes:

• The number of neutrons decreases by 1.
• The number of protons increases by 1.

Consequently, the atomic number of the element increases by 1, while the mass number remains unchanged.