-
400
Democritus
Thought atoms were just spheres. -
Period: 400 to
Models of Atoms
-
Dalton
John Dalton like Democritus thought everything was made up of atoms and that atoms could join together to make compounds. -
Nelis Bohr
Nelis Bohr found out that electrons dont just fly around randomly but instead occupied energy levels.He also created the Atomic Bomb. -
JJ Thompson
J.J. Thomson discovered electrons and noticed that an atom can be divided.He also came up with the Plum Pudding atomic model.