Which among the following solids shows Frenkel defect?

How do defects arise in crystals? State the types of defects.

When $SrCl_2$ is added to molten $NaCl$ and crystallized,the defect formed is ........

Calcium crystallises in a face-centred cubic unit cell with edge length $a = 0.556 \ nm$. Calculate the density. If it contained $0.1 \%$ Frenkel defects,what is the density in $g \ cm^{-3}$?

The formula of nickel oxide with metal deficiency defect in its crystal is $Ni_{0.98}O$. The crystal contains $Ni^{2+}$ and $Ni^{3+}$ ions. The fraction of nickel existing as $Ni^{2+}$ ions in the crystal is

Schottky defect generally appears in