Question

Vacancy in the lattice is due to which defect​

Answer 1

Answer:

impurity atoms—replacing one type of atom by another type of atom by substitution in a lattice; intrusion of impurity atom into the interstitial space of the crystal lattice; Frenkel pair—vacancy together with interstitial atoms; and. Schottky defect—vacancy arising due to the release of an atom on the surface.

Answer 2

Answer:

due to central atom????????????