Unit cells can be broadly classified into 2 categories primitive and c

1.	Unit cells can be broadly classified into 2 categories primitive and centred unit cells.(a) What is a unit cell?(b) Name the three types of centred unit cells.(c) The unit cell dimension of a particular crystal system is a = b = c, α = β = γ = 90°. ldentify the crystal system.(d) Give one example for the above crystal system.
Answer» (a) The smallest repeating unit of a crystal. (b) Body centred unit cell, Face centred unit cell and End centred unit cell. (c) Cubic crystal system. (d) NaCI (Rock salt struãture)

Unit cells can be broadly classified into 2 categories primitive and centred unit cells.(a) What is a unit cell?(b) Name the three types of centred unit cells.(c) The unit cell dimension of a particular crystal system is a = b = c, α = β = γ = 90°. ldentify the crystal system.(d) Give one example for the above crystal system.

Answer»

(a) The smallest repeating unit of a crystal.

(b) Body centred unit cell, Face centred unit cell and End centred unit cell.

(d) NaCI (Rock salt struãture)