Write the ground-state electron configurations of the following ions: (a) \(\mathrm{Li}^{+},(\mathrm{b}) \mathrm{H}^{-},(\mathrm{c}) \mathrm{N}^{3-},(\mathrm{d}) \mathrm{F}^{-}\) (e) \(\mathrm{S}^{2-}\), (f) \(\mathrm{Al}^{3+},(\mathrm{g}) \mathrm{Se}^{2-},(\mathrm{h}) \mathrm{Br}^{-},(\mathrm{i}) \mathrm{Rb}^{+},(\mathrm{j}) \mathrm{Sr}^{2+}\) (k) \(\mathrm{Sn}^{2+},\) (1) \(\mathrm{Te}^{2-},(\mathrm{m}) \mathrm{Ba}^{2+},(\mathrm{n}) \mathrm{Pb}^{2+},(\mathrm{o}) \mathrm{In}^{3+}\) (p) \(\mathrm{Tl}^{+},(\mathrm{q}) \mathrm{Tl}^{3+}\)

The ground-state electron configurations are: (a) \(\mathrm{Li}^{+}: 1s^{2}\), (b) \(\mathrm{H}^{-}: 1s^{2}\), (c) \(\mathrm{N}^{3-}: 1s^{2}2s^{2}2p^{6}\), (d) \(\mathrm{F}^{-}: 1s^{2}2s^{2}2p^{6}\),(e) \(\mathrm{S}^{2-}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}\), (f) \(\mathrm{Al}^{3+}: 1s^{2}2s^{2}2p^{6}\), (g) \(\mathrm{Se}^{2-}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}\), (h) \(\mathrm{Br}^{-}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{6}\), (i) \(\mathrm{Rb}^{+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}\), (j) \(\mathrm{Sr}^{2+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}\), (k) \(\mathrm{Sn}^{2+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{2}\), (1) \(\mathrm{Te}^{2-}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{6}\),(m) \(\mathrm{Ba}^{2+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}\), (n) \(\mathrm{Pb}^{2+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{6}6s^{2}4f^{14}5d^{10}\), (o) \(\mathrm{In}^{3+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}\), (p) \(\mathrm{Tl}^{+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{6}6s^{2}4f^{14}5d^{10}6p^{1}\), (q) \(\mathrm{Tl}^{3+}: 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{6}5s^{2}4d^{10}5p^{6}\).