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Period: to
Scientists
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John Dalton studies color blindness
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John Dalton studies and creates the Atomic theory
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Daltons Model
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William Crooke develops crooke radiometer and vacuum tubes
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J.J Thompson discoveres the electron
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Plum Pudding atomic model
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Rutherford Model
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Ernst Rutherford discoveres concept of radioactive half-life
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Ernest Rutherford discoveres the nucleus
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J.J. Thompson finds first evidence of isotopes
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Bohr Atom
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Ernest Rutherford splitts a atom for the firs time
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Niels Bohr contibution to Atomic Structure and quantum mechanics
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James Chadwick discoveres the Neutron
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Quantum Mechanical Model
