If the radius ratio is in the range of $0.732 - 1.000$,then the coordination number will be

If three elements $A, B, C$ crystallize in a cubic solid lattice with $B$ atoms at the cubic centers,$C$ atoms at the center of edges,and $A$ atoms at the corners,then the formula of the compound is

The vacant space in the $bcc$ unit cell is .............. $\%$

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

What is the total volume occupied by atoms in a face-centered cubic $(FCC)$ unit cell of a metal?

The structure of $MgO$ is similar to that of $NaCl$. What is the coordination number of $Mg^{2+}$?