Which of the following has a $4:2$ coordination number structure?

Explain the crystal structure of sodium chloride $(NaCl)$.

For an ionic crystal $A^{+}B^{-}$ with coordination number $6$,the radius ratio will be

The number of atoms/molecules contained in one body-centered cubic unit cell is

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.

In which compound is $8:8$ coordination found?