What is metal deficiency defect? Give example.

What are metal deficiency defects ?

What is metal excess defect? Give examples.

Write short note on metal excess and metal deficiency defect with an example .

(i) Calculate the number of atoms per unit cell of bcc type. (ii) Write short note on metal excess and metal deficiency defect with an example.

Write a note on metal deficieny defect with an example and its diagram.