Question

The Azimuthal quantum number for the valence electrons of $G{a}^{+}$ ion is . (Atomic number of Ga = 31)

Answer 1

$Ga-1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^1$
$Ga-1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}$
$4s^2$ are the valence electrons,
So, azimuthal quantum $l$ = 0.