Based on the hints given, find out the atomic numbers and write down the subshell electronic configuration of elements (Symbol and not real)
i) A - period 3, group 6
ii) B - period 4, group 6

Explanation

i) `1s^2 2s^ 2p^6 3s^2 3p^5
ii) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^6`