Elements, Compounds, and Mixtures Review

Front

What are pure substances?

Back

Pure substances have the same properties throughout.

Front

What are elements made of?

Back

Elements are made of one type of atom.

Front

Where can elements be found?

Back

Elements can be found on the periodic table.

Front

What happens when substances combine chemically?

Back

They form a compound and their properties change.

Front

How would you define a mixture?

Back

A mixture is when all ingredients retain their original properties.

Front

What is a compound?

Back

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

Front

Can mixtures be separated?

Back

Yes, mixtures can be separated by physical means.

Front

What is the difference between a mixture and a compound?

Back

In a mixture, the substances retain their properties; in a compound, the properties change.

Front

What is an example of a mixture?

Back

Salad is an example of a mixture because the ingredients keep their individual properties.

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound because it is made of hydrogen and oxygen chemically bonded.