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Dalton Model
John Dalton published "New System of CHemical Philosophy." It explained that each element was made of tiny solid balls called atoms. -
Thomson Model
Thomson propeds a new model that showed the atom as a muffin with berries scattered throughout it. -
Nagaoka Model
Hantar Nagaoka proposed that the atom consisted of a positively charged nucleus and negatively charged electrons orbiting it. -
Rutherford Model
Ernest Rutherford concluded that the atom is mostly empy space because the orbiting electrons are small. -
Bohr Model
Niels Bohr proposed a model that the electrons were not randomly and in fact were in shells around the nucleus. -
Period: to
Modern Model
The atomic model has come from the work of many scientists and is still being developed today. -
Chadwick Model
James Chadwick discovered the neutron, a particle with no charge in the atom.