Pure Substances Vs. Mixtures

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

Define homogeneous mixture.

Back

A mixture with a uniform composition that appears visually the same throughout.

Front

Define heterogeneous mixture.

Back

A mixture with a composition that varies from point to point.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A pure substance formed when two or more elements are chemically bonded together.

Front

Give an example of a homogeneous mixture.

Back

Saltwater.

Front

Give an example of a heterogeneous mixture.

Back

Chicken noodle soup.

Front

What is the main characteristic of a mixture?

Back

It is composed of two or more pure substances.

Front

Can mixtures be separated into their components?

Back

Yes, mixtures can be separated by physical means.