Chemistry - Atomic Structure Question with Solution | TestHub

(P) Same number of unpaired electrons are present in (excluding zero)

(1) ${\mathrm{Na}}^{+},{\mathrm{Mg}}^{2+}$, ${\mathrm{F}}^{-}$

(Q) Same number of electrons in s P

(2) F¯, Mg, O ^2-

(R) Same number of electrons with the $l=1$

(3) $\mathrm{Mg},\mathrm{Ne},{\mathrm{O}}^{2-}$

(S) Same number of total electrons

(4) Li, Na, K