Structure similar to zinc blende is found in

The first three nearest neighbour distances for a body-centered cubic $(BCC)$ lattice are respectively:

In a compound formed by $A^{+}$ and $B^{-}$ ions,$B^{-}$ ions are arranged at all corners except two and at all face centers except three,while $A^{+}$ ions are at the midpoints of all body diagonals. The molecular formula of the compound will be ................

The space lattice of $CaF_2$ is:

In a simple cubic unit cell,how many unit cells share each lattice point located at the corner?

An ionic compound has a unit cell consisting of $A$ ions at the corners of a cube and $B$ ions on the centres of the faces of the cube. The empirical formula for this compound would be