chemical man

Everything you can breathe, see, ingest or touch is made up of chemicals. All matter, including us, is made of chemicals. Chemistry is the study of the composition, structure, properties and reactions of matter.

Chemicals

Matter (anything made of atoms) can also be called a chemical. So if atoms are LEGO blocks, chemicals are the structures you can build with them. They can be in any form – liquid, solid or gas. Chemicals can be a pure substance or a mixture. For example, water (H2O) is a chemical.