Elements

Element

What is an element?

• An element is a pure substance that cannot be broken down into two or more simpler substances by chemical processes.

Atom

What are atoms?

• Atoms are the smallest particles of an element that have the chemical properties of that element.

Molecules

What are Molecules?

• A molecule is made up of two or more atoms chemically combined together.
• Diatomic molecules are made up of two atoms.
• Polyatomic molecules are made up of three or more atoms.