Q$4)$ Identify the terms arising from the configurations

$($a$)2s^{1}2p^1$

$($b$)2p^{1}3d^1.$

Q$5)$ Which of the following transitions are electric$-$dipole allowed?

$($i$){?}^{2}har{r}^2,$

$($ii$){?}^{1}har{r}^1,$

$($iii$)harr,($iv$){}^{+}$harr${}^{-},($v$){}^{+}$harr${}^{+}.$

Q$6)$

Which of the following transitions are electric$-$dipole allowed?

$($i$){?}^1{}_g^{+}{?}^1{}_u^{+}$

$($ii$){?}^3{}_g^{+}{?}^3{}_{u^{\text{'}}}^{+}$

$($iii$){}^{**}$harrn.