Define the following terms in relation to crystalline solids : (i) Unit cell (ii) Coordination number.

Define the following terms in relation to crystalline solids : (i) Un

1.	Define the following terms in relation to crystalline solids : (i) Unit cell (ii) Coordination number.
Answer» ANSWER :(a) p-type(b) FERROMAGNETISM(c ) Impurity defect PRODUCING cation vacancies