frankel and Schottky defects are crystal defects

Frenkel and Schottky defects are:

In the Schottky defect

Schottky defect in crystal is when

Assertion (A) Both Frenkel and Schottky defects are stoichiometric defects. Reason (R ) Both defects change the density of the crystalline solid.

Schottky defect in a crystal arises due to

In the Schottky defect: