Write down the number of 3d electrons in each of the follwing ions: `Ti^(2+), V^(2+), Cr^(3+) , Mn^(2+), Fe^(2+), Fe^(3+), Ni^(2+) and Cu^(2+)`. Indicate how would be expect the five 3d orbitals to be occupied for these hydrated ions (octahedrall).

Explanation