Elements, Compounds & Mixtures

Elements:
• An element is made up of only one types of atom.
• Elements are substances that cannot be broken down chemically into smaller substances.
E.g.: - Carbon, Nitrogen, Oxygen, Calcium, Helium etc.

Compounds:
• A compound is made up of two or more different kinds of atoms chemically combined together.
E.g.: - Water, Hydrochloric acid, Carbon monoxide etc.

Mixtures:
Mixtures are the substances that are simply mixed together without any chemical reaction taking place between them. A mixture is made up of two or more elements or compounds physically combined together. The individual substances can be separated by physical means.
E.g.: - Air, Sea water etc.