Question #4e131

1 Answer
Aug 10, 2016

A formula unit of an ionic compound describes the relative number and kind of elements making the compound.

Explanation:

A formula unit of an ionic compound describes the relative number and kind of elements making the compound.

For example, the formula unit of aluminum oxide is Al_2O_3.

This means that the aluminum oxide is made from Al (aluminum) and O (oxygen). Moreover, it indicates that every two aluminum ions are attracted by three oxygen ions.