The number of atoms in body-centred and face-centred cubic unit cells are, respectively:

What is the coordination number of a sphere in a simple cubic lattice?

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?

An element has a body-centered cubic $(BCC)$ structure with an edge length of $288 \ pm$. The density of the element is $7.2 \ g/cm^3$. How many atoms are present in $208 \ g$ of the element?

The vacant space in the $bcc$ unit cell is .............. $\%$

What are two types of crystal structures shown by ice at different pressures?