The space lattice of $CaF_2$ is:

If the pressure on a $NaCl$ structure is increased,then its coordination number will

The radius of $Na^{+}$ is $95 \, pm$ and the radius of $Cl^{-}$ ion is $181 \, pm$. What is the coordination number of $Na^{+}$?

In an ionic crystal,ion $A$ is present at the corners of the cubic unit cell,and ion $B$ is present at the centers of the faces. What is the formula of this ionic compound?

If the edge length of a cubic unit cell in an $fcc$ structure is $620 \ pm$, then the atomic radius of the element will be ............... $pm$.

Find the radius of an atom in $fcc$ unit cell having edge length $393 \ pm$. (in $pm$)