Question

The value of magnetic quantum number of the outermost electron of $Z{n}^{+}$ion is ______

Answer 1

Answer: 0

$Z{n}^{+}\to 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^1$
Outermost electron is in $4s$ subshell $m=0$