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Edited the Atomic model saying that electrons were mixed with the atom like chocolate chips in cookie dough.
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Created the Periodic Table of Elements
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Experimented with cathode tubes
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Came up with the "Plum Pudding Model, where the atom is composed of electrons surrounded by a soup of positive electrons.
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Determined the charge and mass of an electron using an oil drop experiment
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Probed atoms in a piece of gold foil proving there is space between atoms.
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Determined charges of nuclei of most atoms using xray tubes.
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Developed explanation of atomic structure that regulates periodic table of elements.
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Discovered electrons have a dual nature similar to particles and waves. supported Einstein
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viewed electrons as continuous clouds and introduced wave mechanics as mathematical models of atoms
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discovered neutral atomic article with a mass close to protron, discovering the neutron.
