Crystal Lattice and Unit Cell
Crystal Lattice and Unit Cell: Overview
The topic talks about crystal lattice and unit cells through examples. It teaches us the different arrangements in which a solid substance can exist.
Important Questions on Crystal Lattice and Unit Cell
Define centred unit cell. What are the types of centred unit cells?

There are a total of twelve lattice points in an end-centred unit cell.

How many lattice points are there in an end-centred unit cell?

Draw a schematic representation of lattice points in end-centred unit cell.

Define an end-centred unit cell.

Write binding forces present in the Network solids along with giving an example.

Give example of a compound, which forms a crystal system in which all the edges and angles are different from each other.

How will you distinguish between the following pairs of terms:
Crystal lattice and unit cell.

Name the parameters that characterise a unit cell.

What do you mean by lattice point?

Distinguish between the following:
Crystal lattice and unit cell

Explain with the help of a diagram.
Primitive hexagonal unit cell

Explain with the help of a diagram.
Two types of monoclinic unit cells

Explain with the help of a diagram.
Four types of orthorhombic unit cells

Explain with the help of a diagram.
Two types of tetragonal unit cells

How many octahedral and tetrahedral holes are present per unit cell in a face centred cubic arrangement of atoms?

Bragg's law is given by the equation :
