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Discovered the electron
(1897)

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Created the Quantum Mechanical Model
(1926

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Discovered the structure of an atom
(1911)

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Discovered protons
(1886)

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Discovered the neutron
(1932)

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said that electrons move around the nucleus of an atom
(1913)

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Created atomic theory
(1766-1844)

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suggested existence of atoms
(460-370)BC