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First to suggest Atoms were tiny indestructible beings
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All matter is made of atoms that are invisible and indestructible
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First to use trends in the periodic table to predict properties of missing elements.
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Discovered protons by using cathode rays and attracting them to a positive charge
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used a crookes tube to demonstrate cathode rays are negatively charged.
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originated the quantum theory
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oil drop experiment helped quantify the charge of an electron
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THeory that energy is only transferred in well defined quantities
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Used mathematical equations to describe the likelihood of finding an atom in a certain position
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used beryllium with alpha particles causing radiation and discovering neutrons.
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Found the uncertainty principle and quantum mechanics
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used the gold foil experiment to show the nucleus is tiny and heavy
