If an atom is present in the centre of the cube,the participation of that atom per unit cell is

If the radius of an anion is double that of a cation,the coordination number of the cation and the type of hole occupied are respectively:

If the side length of a face-centered cubic $(fcc)$ unit cell of a metal is $400 \ pm$, the approximate radius of the metal atom in $pm$ is $(\sqrt{2} = 1.414)$.

In a face-centered cubic $(FCC)$ unit cell,what fraction of an atom located at the face center is shared by one unit cell?

Select the correct expression for determining the Packing Fraction $(P.F.)$ of an $NaCl$ unit cell (assume ideal),if ions along an edge diagonal are absent.

What is the mass of a $bcc$ type unit cell of sodium if the mass of one atom of sodium is $3.819 \times 10^{-23} \ g$?