Composition of Matter

Front

What is a pure substance?

Back

A pure substance is a material made up of only one type of atom (element) or compound.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together, such as Carbon Dioxide (CO2).

Front

Are elements and compounds considered pure substances?

Back

True, both elements and compounds are classified as pure substances.

Front

Can substances in a mixture be separated?

Back

Yes, substances in a mixture can be separated by physical methods.

Front

What is air classified as?

Back

Air is classified as a mixture because it contains various gases.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed, and different parts can be seen.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are evenly distributed and cannot be easily distinguished.

Front

What is a suspension?

Back

A suspension is a heterogeneous mixture where solid particles are dispersed in a liquid but will settle over time.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed from two or more elements that are chemically bonded.