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Democritus
democritus theory was that everything was made of atoms. -
John Dalton
dalton had the same idea as democritus -
J.J. Thomson
J.J. thomson discovered the electron and making a model like the plum and putting model -
Robert Milliken
robert made his model very different than others and was very creative -
Ernest Rutherford
ernst discovered the nuclei and his theory was that there was electrons orbiting the nuclei -
James Chadwick
James Chadwick proved the existence of neutrons.
This affected the atom model greatly
James Chadwick changed the way the atom was viewed. -
Neils Bohr
neils made a new atom model and there was a very big model that he brought out
