Write the electronic configurations of the following ions. (i). Mn^(2+) (ii). Fe^(3+) (iii) Ni^(2+) ltBrgt (iv). Cr^(3+).

Write the electronic configurations of the following ions. (i). Mn^(2

1.	Write the electronic configurations of the following ions. (i). Mn^(2+) (ii). Fe^(3+) (iii) Ni^(2+) ltBrgt (iv). Cr^(3+).
Answer» Solution :(i) `[Ar]3d^(5)4S^(0)` (ii) `[Ar]3d^(5)4s^(0)` (iii) `[Ar]3d^(8)4s^(0)` (iv) `[Ar]3d^(3)4s^(0)`.