5. Salad dressing is an example of a homogeneous mixture,

6.

The simplest type of substance is a(n) compound,

When elements combine to form compounds, their properties

7.

do not change

8.

The chemical symbol for water is H20.

9.

Substances in a mixture keep their own properties.

10.

The substances in a heterogeneous mixture can usually be seen

and are easily separated.