jul 4, 1804 - Dalton
Description:
He first suggested the existence of atoms. His atomic theory was the first one to describe all matter in terms of atoms and their theories. He failed with the following demerits:-how atoms of different elements differ from each other. -He failed to explain how the nature of forces that binds the atoms in a molecule,etc.
Added to timeline:
Date:
jul 4, 1804
Now
~ 221 years ago