8.3 Elements Compounds and Mixtures Review Flashcard

Front

What is an element?

Back

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

Front

What type of substances can be separated physically?

Back

Mixed substances.

Front

Give examples of mixtures.

Back

Milk and gasoline.

Front

What does an element contain?

Back

Only one kind of atom.

Front

Which diagrams model pure substances?

Back

Diagrams 1, 3, and 4.

Front

What is a compound?

Back

A substance made of two or more types of atoms chemically combined.

Front

What is a mixture?

Back

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

Front

How can you identify a pure substance?

Back

It has a uniform and definite composition.

Front

What is the difference between a compound and a mixture?

Back

A compound is chemically combined, while a mixture is physically combined.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.