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Suggested that all objects consists of atoms
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Discovered the electron in a series of his own experiments to study the nature of the Electrical discharge
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Described the atom having a positive nucleus in the center surrounded by negative orbiting electrons.
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Bohr applied quantum theory to Rutherford's atomic structure by stating that electrons travel in orbits defined by their momentum.
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James Chadwick proved the existence of neutrons in 1932. Neutrons Consided in the Nucleus along with the Protons
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formed a model of a complete atom as interacting waves. The particles became like vibrations on a violin string, only they were closed in circles.
