Question

What is the maximum number of electrons that can be accomodated in the $4^{th}$ energy level?

• A. $32$
• B. $18$
• C. $2$
• D. $8$

Answer 1

The correct option is A $32$

The maximum number of electrons that can be accommodated in any shell $=2n^2$.

Thus for $4^{th}$ energy level the value is $2\times 4^2=2\times 16=32$.

Hence $32$ electrons can be accommodated in $4^{th}$ energy level.