The coordination number of a metal crystallizing in a hexagonal close-packed $(hcp)$ structure is:

What is the coordination number of sodium ions in the case of sodium chloride structure?

In a body-centered cubic $(BCC)$ unit cell,how many metal atoms surround the metal atom located at the center of the cell?

The structure of $TlCl$ is similar to $CsCl$. What is the coordination number of $Tl^{+}$?

If the edge length of a cubic unit cell is $a$,then the octahedral void is located at a distance of ....... from the corner of the cube.

The edge length of a face-centered cubic unit cell of an ionic substance is $508 \ pm$. If the radius of the cation is $110 \ pm$, what is the radius of the anion in $pm$?