In a $bcc$ unit cell,what is the number of atoms per unit cell?

If the length of the body diagonal of a $FCC$ unit cell is $x \ \mathring{A}$,the distance between two nearest octahedral voids in the cell in $\mathring{A}$ is

In an end-centered unit cell,the body diagonal contains two additional atoms. What is the total number of atoms present in the unit cell?

In $FCC$ lattice,alternate tetrahedral voids are occupied in which of the following?

The ratio of anion radius to cation radius of a crystal is $10 : 9.3$. Then,the coordination number of the cation in the crystal is

The coordination number for $Cu$ (Copper) in its crystal structure is: