Crystal Lattice and Unit Cell

IMPORTANT

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

MEDIUM
IMPORTANT

Define centred unit cell. What are the types of centred unit cells?

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

Define an end-centred unit cell.

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

How will you distinguish between the following pairs of terms: 

Crystal lattice and unit cell.

EASY
IMPORTANT

Name the parameters that characterise a unit cell. 

MEDIUM
IMPORTANT

What do you mean by lattice point? 

EASY
IMPORTANT

Distinguish between the following:

Crystal lattice and unit cell

EASY
IMPORTANT

Explain with the help of a diagram.

Primitive hexagonal unit cell

MEDIUM
IMPORTANT

Explain with the help of a diagram.

Two types of monoclinic unit cells

MEDIUM
IMPORTANT

Explain with the help of a diagram.

Four types of orthorhombic unit cells

MEDIUM
IMPORTANT

Explain with the help of a diagram.

Two types of tetragonal unit cells

EASY
IMPORTANT

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

HARD
IMPORTANT

Bragg's law is given by the equation :