Review 1: Elements, Compounds & Mixtures

Front

What is a compound?

Back

A substance made up of two or more chemically combined elements.

Front

What is NaHCO3 an example of?

Back

A compound.

Front

What does the particle diagram of NH3 represent?

Back

The compound ammonia.

Front

What does the particle diagram of CO2 represent?

Back

The compound carbon dioxide.

Front

What is a mixture of elements?

Back

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

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is an example of a mixture?

Back

Air, which is a mixture of gases.

Front

What is the chemical formula for water?

Back

H2O.