Elements, Compounds, and Mixtures

Front

What is an element?

Back

An element is a pure substance that consists of only one type of atom and cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more different types of atoms bond together chemically.

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

Give an example of an element.

Back

Hydrogen (H) is an example of an element.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Front

Give an example of a mixture.

Back

Salt water (NaCl & H2O) is an example of a mixture.

Front

What is the difference between an element and a compound?

Back

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

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O.

Front

What is the chemical formula for table salt?

Back

The chemical formula for table salt is NaCl.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as salt water.