Classification of Matter Review

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is an example of a compound?

Back

Carbon dioxide (CO2) is an example of a compound.

Front

What are chemical properties?

Back

Chemical properties are characteristics of a substance that become evident during a chemical reaction, such as the ability to rust or burn.

Front

Which of the following is NOT a chemical property?

Back

The ability to change shapes is NOT a chemical property.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Give an example of a physical change.

Back

Peeling a carrot is an example of a physical change.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniform or have localized regions with different properties.

Front

Why is air in the classroom considered a heterogeneous mixture?

Back

Air in the classroom is considered a heterogeneous mixture because it contains particles such as dust and water.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout.

Front

What is the Tyndall Effect?

Back

The Tyndall Effect is the scattering of light by colloids, which makes the path of light visible.