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Discovered all material bodies are made up of indivisibly small atoms
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He discovered the study of formal logic
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H discovered 33 substances, many he proposed were elements
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He discovered that all matter is made of tiny indivisible particles called atoms
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He Discovered the periodic table by the mass weight
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He discovered electrons and that atoms were made up of smaller components
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He discovered the magnitude of the electrons charge
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Discovered the nucleus of the atom
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Discovered the atom in which the electron was able to occupy only certain orbits around the nucleus
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discovered the domain of nuclear science: he proved the existence of neutrons