Write the electronic configuration of the following elements :
(a) Sulphur `(Z=16)`
(b) Krypton `(Z=36)`

Explanation

(a) `1s^(2)2s^(2)2p^(6)3s^(2)3p^(4)`
(b) `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(6)`