Chemistry - GENERAL CHEMISTRY 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 subshells

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

(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