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First man to discover the atom
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Believed that everything was made up of water. Cosmological Thesis
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Believed that everything was composed of the four elements, fire, earth, water, and air.
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Discovered gravity, laws of motion, and the light spectrum.
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Created the atomic theory of matter
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Discovered radioactivity
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Discovered the electron. Was known for his experiment Cathode Ray Tube. Made the plum pudding model of the atom.
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Made the oil drop experiment. Discovered the mass and charge of an atom.
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Made the Gold Foil experiment which allowed him to discover the nucleus and proton. Made the atomic model called planetary.
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Discovered the model of the atom
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Discovered different isotopes. Used mass spectograph.
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Created Schrodinger's model. Predicted where electrons are in the atom, and determined the shape of the electron clouds.
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Proved nuetrons existed