If the radius of Mg^(2+) ion, Cs^+ ion, O^(2-) ion, S^(2-) ion and Cl^- ion are 0.65 Å, 1.69 Å, 1.40 Å, 1.84Å and 1.81 Å respectively, calculate the coordination numbers of the cations in the crystals of MgS, MgO and CsCl.

If the radius of Mg^(2+) ion, Cs^+ ion, O^(2-) ion, S^(2-) ion and Cl^

1.	If the radius of Mg^(2+) ion, Cs^+ ion, O^(2-) ion, S^(2-) ion and Cl^- ion are 0.65 Å, 1.69 Å, 1.40 Å, 1.84Å and 1.81 Å respectively, calculate the coordination numbers of the cations in the crystals of MgS, MgO and CsCl.
Answer» ANSWER :4,6,8