Question

2n squared rule and outermost orbit eight electron

Answer 1

Explanation:

k shell (1st shell):no. of electrons on outermost orbit=2×1sq=2

l shell(2nd shell):no. of electrons=2×2sq

=2×4=8

m shell(3rd shell):no. of electrons =2×3sq

=2×9=18

n shell(4th shell):no. of electrons=2×4sq

=2×16=32