Question

what are the types of unit cell explain it ​

Answer 1

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types of unit cell :

i. Primitive or simple unit cell : In primitive unit cell, the constituent particles are present at its corners only.

ii. Body-centred unit cell : In this type of unit cell, one constituent particle is present at the centre of its body in addition to the corner particles.

iii. Face-centred unit cell : This unit cell consists of particles at the centre of each of the faces in addition to the corner particles.

iv. Base-centred unit cell : This unit cell consists of particles at the centre of any two of its opposite faces in addition to the corner particles.

Answer 2

Answer:

Basically unit cels

(1) Primitive unit arc of two types as follows cells: The unit cells in which the

constituent particles like atoms, ions or molecules are present only at the corners of the unit cell called cells simple cells. arc primitive unit or unit

(2) Body-centred unit cell: A unit cell in which the constituent particles body-centre are present at the corners as well as at its is called body-centred unit cell.

(3) Face-centred unit cell: A unit cell in which the constituent particles are present at the corners as well as at the centre of each face is called face- centred unit cell cell. or cubic close packed (CCP) unit

(4) Base-centred unit cell : A unit cell in which the constituent particles are present at the comers well as at the centres of two opposite faces is cal end-centred unit cell.