Compounds, Molecules & Mixtures

• Something counts as a 'molecule' when it's made from 2 or more atoms, and those atoms are held together by chemical bonds.
• A compound is a substance made from two or more different elements that are chemically bonded together
• Is carbon dioxide (CO2) a molecule, a compound, or both?

  • both
• mixture:

  • a substance consisting or two or more elements or compounds which are not chemically joined