In a crystal, some ions are missing from normal sites. This is an example of `:`

In a crystal some iron are missing from normal sites. This is an example of

In a crystal some of the ions are missing from their normal sites. This is an example of

In a crystalline solid, some point defects is observed when a vacancy is created by an ion missing from its normal position . What is the name of the defects?

Assertion: In frekel defect in an ionic crystal, an ion is dispalced from its normal site to an interstitial site. Reason: There is both a vacancy and an intersitial ion.

What is normal salt ? Give some example.

A substance 'A' crystallizes in fcc lattice. In a crystalline solid AB, some vacancy is produced by missing of equal number of oppositely charged ions. What is the defect called?

If equal number of cations and anions are missing from an ionic crystal of the type MX, then the defect that arises in the crystal is called _______ defect.