John Dalton (jan 1, 1766 – jan 1, 1844)
Description:
John Dalton agreed withDemocritus and Leucippus'
theory and came up with
five more theories to support it.
1. When a chemical reaction
occurs, atoms rearrange themselves
2. All matter is made up of
inseparable particles called atoms
3. All atoms share identical properties
4. A compound is a combination of multiple atoms
5. Atoms cannot be created nor destroyed
Added to timeline:
Date:
jan 1, 1766
jan 1, 1844
~ 78 years