What is the coordination number of $Zn^{2+}$ and $S^{2-}$ ions in the zinc blende $(ZnS)$ structure?

If $a$ is the length of the side of a cube,the distance between the body-centered atom and one corner atom in the cube will be

What is the number of unit cells in one mole of an atom of a metal that forms a simple cubic structure?

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

In an ionic compound,the unit cell has $A$ ions at the corners and $B$ ions at the face centers. What is the empirical formula of the compound?

An ionic compound $AB$ has $ZnS$ type structure. If the radius of $A^{+}$ is $22.5 \ pm$, then the ideal radius of $B^{-}$ would be .............. $pm$.