There are three main subatomic particles that form an atom: the proton, neutron, and electron.

Use the following interactive to learn more about these subatomic particles.

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Source: The Atom, ChemThink, Teacher's Domain

The diagram below shows the element carbon. Even though we know that electrons do not orbit the nucleus in a fixed path, a Bohr model drawing is often used to show a simplistic representation of an atom.

Let's Review!

Read the phrases below. Determine which part of the atom or subatomic particle each phrase is describing, and drag it to the correct column on the table below.

Interactive exercise. Assistance may be required.