What Is the Particle Theory of Matter?

By Staff WriterLast Updated Mar 25, 2020 9:40:27 PM ET
particle-theory-matter
net_efekt/CC-BY 2.0

The particle theory of matter states that all matter is made up of tiny particles, specifically atoms and molecules, and that these particles have inherent characteristics. A major part of the theory is the belief that all particles in a single pure substance are the same and are different from particles of other substances.

Advertisement