# Question #82125

##### 1 Answer

Mar 25, 2017

A unit cell can contain more than one formula unit of a compound.

#### Explanation:

A **formula unit** in chemistry is the smallest whole-number ratio of atoms in a compound.

For example, a formula unit of boron arsenide is

A **unit cell** may contain more than one formula unit of a compound.

The unit cell of

(From Wikimedia Commons)

There are 4

We count the

Hence, a unit cell contains 4