The structure of $MgO$ is similar to $NaCl$. What would be the coordination number of magnesium?

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

What is the coordination number of a particle in an $fcc$ crystal lattice?

In an $fcc$ crystal lattice,atoms $A$ are present at the corners and atoms $B$ are present at the face centers. If one atom $A$ is missing from a corner,what is the molecular formula of the compound?

What is the coordination number of $Zn$ in the crystal structure of $Zn$?

What is the coordination number of a cation present in a tetrahedral void?