Frenkel defect is caused due to

Frenkel defect is the

Frenkel defects are

Frenkel defects arise due to-

In Frenkel defect

In Frenkel defect

Frenkel defect is noticed in

Frenkel defect is noticed in:

In an ionic crystal, Schottky defect decreases the density of the crystal but Frenkel defect does not cause any change in density of the crystal. Explain.