The number of octahedral voids in a $BCC$ structure is:

What is the coordination number of a cation in an ionic compound if the type of hole occupied by the cation is cubic?

The intermetallic compound $LiAg$ crystallizes in a cubic lattice in which both lithium and silver have a coordination number of $8$. The crystal class is

An ionic compound is expected to have a tetrahedral structure if the radius ratio $r_{+} / r_{-}$ lies in the range of:

In the $NaCl$ crystal structure,how many chloride ions surround each sodium ion?

Gold has a face-centred cubic $(fcc)$ lattice with an edge length of the unit cube of $407 \ pm$. Assuming the closest packing, the diameter of the gold atom is .............. $pm$.