Pure Substances & Mixtures

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

True or False: Elements and compounds are pure substances.

Back

True

Front

What method can be used to separate sand and iron filings?

Back

Magnetism.

Front

Solutions are ___________ mixtures.

Back

Homogeneous.

Front

Which of the following is NOT a mixture: milk, lemonade, vegetable salad, or carbon?

Back

Carbon.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

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 compound?

Back

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

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed and can be easily distinguished.

Front

What is a homogeneous mixture?

Back

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