Pure Substance and Mixture Review

Front

What are the two main classifications of matter?

Back

Pure substances & Mixtures

Front

What are the two types of mixtures?

Back

Homogeneous and Heterogeneous

Front

What is a homogeneous mixture?

Back

A mixture that is uniform and well mixed.

Front

What is a heterogeneous mixture?

Back

A mixture that is not uniform and has distinct layers or phases.

Front

What is a pure substance?

Back

A material made of only one type of particle, either an element or a compound.

Front

What is a compound?

Back

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

Front

Give an example of a homogeneous mixture.

Back

Saltwater or air.

Front

Give an example of a heterogeneous mixture.

Back

Salad or a mixture of sand and iron filings.

Front

What distinguishes a pure substance from a mixture?

Back

A pure substance has a constant composition, while a mixture can vary in composition.

Front

What is an element?

Back

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