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discovered that he could produce pure potassium from potashDiscovered electrochemistry
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Said all matter is made of atoms that can be combinedSaid elements of the same element are exactly alikeSaid atoms of different elements are differentCame up with atomic theory
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Discovered the electron
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Found that positive charge in an atom was from its nucleusConducted experiment to learn structure of an atomDiscovered protons, neutrons, and electronsSaid that atom resembled the solar system
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Said electrons had only fixed paths to travel around the nucleusMade the Bohr’s atomic model which was a model with the nucleus in the center and electrons travelling outside itPath electrons traveled were called energy levels
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Explained that electrons are in shells around the nucleusHe proposed that two elements might combine to form a compound when they give up or accept electrons from their outer shells
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Created Quantum MechanicsQuantum Mechanics were based off matrixes
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Discovered the NeutronLed the British in the Manhattan projectReceived the Nobel Prize
