If electron is added to group 16, 17 which orbit n = 2 and n = 3 shows less electron electron repulsion ? Why?

If electron is added to group 16, 17 which orbit n = 2 and n = 3 shows

1.	If electron is added to group 16, 17 which orbit n = 2 and n = 3 shows less electron electron repulsion ? Why?
Answer» SOLUTION :N = 3 because volume of n = 3 is more so repulsion is less.