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first person to investigat basic principles
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first atomic theory, cutting the cheese though experiment
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didn't believe in the atomic theory. thought it put a limit on the gods
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atoms held together by attractions, matter formed of solid massy particles
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discovered atomic theory, water and air
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dicovered radiactivity
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disovered electron, plum pudding model, used cathode ray tube
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oil drip experiment, finds charge of individual electron
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Gold Foil, proved part if atom is positive charged
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gold foil experiment, discover nucleus and proton
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electrons had orbits
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mass spectograph "whole number rule" isotopes
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Quantim Mechanical Model of Atom, used math equation to find probability of an electron would in a certain position
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discovered neutron
