Answer
Typical ground state electronic configurations are as follows:
i. Group-3: $[Ar]3d^{1}4s^{2}$
ii. Group-5: $[Ar]3d^{3}4s^{2}$
iii. Group-13: $1s^{2}2s^{2}2p^{1}$
Work Step by Step
i. Group-3: $[Ar]3d^{1}4s^{2}$
ii. Group-5: $[Ar]3d^{3}4s^{2}$
iii. Group-13: $1s^{2}2s^{2}2p^{1}$
