Coordination number of $Zn^{2+}$ in $ZnS$ (zinc blende) is

The $Ca^{2+}$ and $F^{-}$ ions are located in $CaF_2$ crystal,respectively,at face-centered cubic lattice points and in

The number of atoms contained in one face-centred cubic $(FCC)$ unit cell of a monoatomic substance is:

Calculate the volume occupied by all particles in a $bcc$ unit cell if the volume of the unit cell is $8.0 \times 10^{-23} \ cm^3$.

$A$ unit cell of calcium fluoride has four calcium ions. The number of fluoride ions in the unit cell is

In a mineral $MX_2$,$M^{+2}$ ions are arranged in a $ccp$ structure and $X^{-}$ ions occupy the tetrahedral voids. What are the number of cations and anions per unit cell,the coordination number of the cation,and the percentage of occupied tetrahedral voids,respectively?