In a cubic structure,$W$ atoms are present at the corners of the unit cell,$O$ atoms are at the edge centers,and $Na$ atoms are at the center of the cube. What is the formula of the compound?

An element crystallizes in a structure such that the unit cell is a cube with one atom at each corner and two atoms on its body diagonal. If the volume of this unit cell is $24 \times 10^{-24} \, cm^3$ and the density of the element is $7.2 \, g \, cm^{-3}$,calculate the number of atoms present in $200 \, g$ of the element.

The coordination number in a simple cubic $(scp)$ lattice is .......

Which of the following characteristics is true for $ZnS$ solid?

How many formula units are present in the unit cell of fluorite $(CaF_2)$?

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