Developing the model of the atom

• in 1804 John Daton agreed with Democritus that Matter was made up of tiny spheres, but believed they were made a different shape
• JJ Thompson discovered the electron in 1897. He suggested the plum pudding model
• in 1909 Rutherford did the gold foil experiment and created the first nuclear model of the atom
• In 1932 James Chadwick proved the existance Of the neutron