Re-use of this resource is governed by a Creative Commons
Attribution-

NonCommercial-ShareAlike 4.0 International

https://creativecommons.org/licenses/by-nc-sa/4.0/

NonCommercial-ShareAlike 4.0 International

https://creativecommons.org/licenses/by-nc-sa/4.0/

How many lattice points are in the unit cell??

Instructions: A 2×2 unit cell plan view is given
in each question. Try to identify the correct number of lattice points
per unit cell.

How many lattice points are in the unit cell?

0

1

4

1

4

How many lattice points are in the unit cell?

1

2

5

2

5

How many lattice points are in the unit cell?

2

1

9

1

9

HINT

How many atoms are in the motif?

3

14

4

14

4

How many lattice points are in the unit cell?

HINT

Which atoms are lattice
points?

Which atoms are in the motif??

HELP

There are 3 atoms in the motif

3

5

4

5

4

How many lattice points are in the unit cell?

HINT

Look closely at the environment about each red atom. Are they identical?

1

3

4

3

4

How many lattice points are in the unit cell?

HELP

Look closely at the environment about each blue atom

2

1

6

1

6