may 20, 369 BC - Democritus
Description:
Beliefs -
- Matter is not infinitely divisible
- Matter is made up of particles called atomos, which move through empty space
- Atoms can not be created or destroyed or divided any further
- Different kinds of atoms have different sizes and shapes
- Size, shape, and movement of atoms determine the properties of matter
Added to timeline:
Chem
Date:
