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Had the essential idea of the atom but lacked theory and energy.
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Same as Democritus he had a essential idea but lacked theory or energy.
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Discovered protons and electrons
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Discovered the nucleous and the structure of the atom.
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Bohr discovered energy levels
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He discover the cuantum mechanics for atoms/ the electron cloud model.
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He added to Thomsons neutrons.
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This Model Was Created by various scientist including Einstine, schrödinger, ect...