Question

What happens to the atomic number of an element when a $\beta$-particle, is emitted?

• A. increases by $1$
• B. decreases by $1$
• C. does not change
• D. cant say

Answer 1

The correct option is A increases by $1$

When a $\beta$ particle is emitted, a neutron is converted to a proton. So the atomic number increases by $1.$