The coordination number of the point $B$ for a solid with the following structure is:

Determine the number of atoms per unit cell in a body-centered cubic $(BCC)$ unit cell.

In a face-centered cubic lattice,a unit cell face is shared equally by how many unit cells?

Calculate the total volume occupied by all atoms in a simple cubic unit cell if the radius of the atom is $3 \times 10^{-8} \ cm$.

In solid $CsCl$,each $Cl^{-}$ ion is closely packed with how many $Cs^{+}$ ions?

$NaCl$ is a $FCC$ lattice where $Na^{+}$ ions are at corner and face centre positions. Chloride ions are at edge centres and body centre positions. How many $NaCl$ formula units will be in a unit cell?