-
work cited Democritus discoverd the atomic theory. He basically came up with the idea that everything is made up of atoms.
-
work cited John Dalton was one of the first people to discover the behavior of the atom and how it reacts.
-
work citedJ.J Thompson discovered the electron.
-
work cited he discovered the proton
-
work citedHe discovered the neutron
-
work cited Bohr made the previous model better and gave a better understanding of the atom.