in normal spinel structure there is a closed packed array of O2-ions. The trivalent cations are present i

in normal spinel structure there is a closed packed array of O2-ions.

1.	in normal spinel structure there is a closed packed array of O2-ions. The trivalent cations are present i
Answer» in normal spinel structure there is a closed packed array of O2-ions. The trivalent cations are present i