Elements, Compounds, & Mixtures

Front

What is an element?

Back

A substance that cannot be broken down into any other substance by ordinary chemical means.

Front

What is a compound?

Back

Two or more different elements chemically joined together.

Front

What is a mixture?

Back

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

Front

True or False: All molecules are compounds.

Back

False

Front

What is the smallest part of any substance that can exist on its own?

Back

A molecule.

Front

What are atoms?

Back

The basic building blocks of matter; all matter is made of atoms.

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What is a mixture of elements?

Back

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

Front

What is a simple substance?

Back

A substance in which all the atoms are identical.

Front

Can compounds be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements by chemical means.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more different elements are chemically bonded, while a mixture is a combination of substances that are not chemically bonded.