The $FCC$ unit cell of a compound contains ions of $A$ at the corners and ions of $B$ at the centre of each face. What is the formula of the compound?

How many total constituent particles are present in a simple cubic unit cell?

An element has a $bcc$ structure with $12.08 \times 10^{23}$ unit cells. What is the total number of atoms in these unit cells?

In the closest packed structure of a metallic lattice,the number of nearest neighbours of a metallic atom is

What is the coordination number of a cation in an ionic compound if the type of hole occupied by the cation is octahedral?

The number of unit cells present in $39 \ g$ of potassium if it crystallizes as a body-centered cubic $(BCC)$ structure is ($N = \text{Avogadro number}$, $\text{At. wt. of potassium} = 39$).