Elements, Compounds, and Mixtures

Front

What is the biosphere?

Back

The biosphere is the part of Earth where life exists, including plants, animals, insects, and humans.

Front

What is an element?

Back

An element is a pure substance that contains only one kind of atom.

Front

What is a compound?

Back

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

Front

Is water a compound or an element?

Back

Water is a compound made up of hydrogen and oxygen.

Front

What is sugar (C12H22O11)?

Back

Sugar is a compound because it is made up of more than one type of atom.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined.

Front

Give an example of an element.

Back

An example of an element is oxygen (O).

Front

Give an example of a compound.

Back

An example of a compound is carbon dioxide (CO2).

Front

Give an example of a mixture.

Back

An example of a mixture is saltwater, which is a combination of salt and water.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed from two or more elements chemically bonded, while a mixture is a combination of substances that retain their individual properties.