Elements, Compounds, Mixtures

Front

What is the chemical formula for water?

Back

H₂O

Front

What term describes a substance made up of atoms of two or more different elements joined by chemical bonds?

Back

Compound

Front

What is the best description of air?

Back

A mixture

Front

What term describes a substance that cannot be broken down into simpler substances by chemical means?

Back

Element

Front

What is a mixture?

Back

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

Front

What is an element?

Back

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

Front

What is a compound?

Back

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

Front

Give an example of a compound.

Back

Water (H₂O) is a compound made of hydrogen and oxygen.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A mixture that consists of visibly different substances or phases.