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John Dalton: Sphere Model
He was doing experiments on chemicals, he seen that it had lumpy particles in it. -
Period: to
Age of Atoms
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J.J. Thomson: The Plum Pudding Model
He found out that the electrons are negative and concluded that the particle inside were positive. His model looked like raisins on top of lump pudding. -
Ernest Rutherford: The Nuclear Model
He discovered protons and named it that after the greek word for first. They thought something was wrong with the design but still went with it. -
Niels Bohr: The Bohr Model
He believed that the electrons orbited not spiral. He made up diferent shapes for the Bohr model, he claimed that the electrons jumped from level of energy. -
Erwin Schrodinger: Quantum Mechanics Model
He decided to go with the particle waves instead and created that type of model.