According to their electronic configuration which of the following elements belongs to some group. (i) 1s^(2) 2s^(2) "" (ii) s^(2) 2s^(2) 2p^(5) (iii) 1s^(2) 2s^(2) 2p^(6) 3s^(2)3p^(5) "" (iv) 1s^(2) 2s^(2) 2p^(6) 3s^(10) 4s^(1)

According to their electronic configuration which of the following ele

1.	According to their electronic configuration which of the following elements belongs to some group. (i) 1s^(2) 2s^(2) "" (ii) s^(2) 2s^(2) 2p^(5) (iii) 1s^(2) 2s^(2) 2p^(6) 3s^(2)3p^(5) "" (iv) 1s^(2) 2s^(2) 2p^(6) 3s^(10) 4s^(1)
Answer» Solution :(ii) and (III) both are in `17^(TH)` group.