Elements. Compounds. and Mixtures

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances. It is made up of only one kind of atom.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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

Front

Can elements be found on the periodic table?

Back

Yes, elements are listed on the periodic table.

Front

What cannot be broken down into other substances?

Back

Element.

Front

Which of the following is not a compound: HCl, Cl, NaCl, CO2?

Back

Cl.

Front

What is the smallest unit of an element?

Back

An atom.

Front

Are there any compounds on the periodic table?

Back

No, only elements are on the periodic table.

Front

What is the difference between a compound and a mixture?

Back

A compound is chemically bonded, while a mixture is not.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.