History of the atom 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: MarainesthaiCreated on: 29-03-17 17:00 What sub-atomic particle did J.J Thomson discover? Electron 1 of 6 Describe J.J Thomson's "plum pudding" model. Electrons are embedded in a cloud of positive charge 2 of 6 Name one change Rutherford did to J.J Thomson's atomic model. The protons are in the nucleus 3 of 6 Name another way how Rutherford changed J.J Thomson's atomic model. Electrons orbit the nucleus 4 of 6 Who discovered the neutron? James Chadwick 5 of 6 How did Bohr change Rutherford's model? Electrons are found in energy levels (shells) 6 of 6
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