Elements, Compounds, and Mixtures Overview

Elements

• A substance composed of different atoms that only contain the same number of protons.
• Elements cannot be split into anything simpler.

Compounds

• A pure substance made up of $2$ or more elements chemically combined.
• They cannot be separated into their constituent elements by physical means.

Mixtures

• A combination of $2$ or more substance, which are not chemically combined.
• Mixtures can be separated through physical methods such as filterization or evaporation.