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came up with the theory of atomism, that all matter is made up of tiny particles
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Theory that an element is composed of only one kind of atom, and a compound is composed of particles that are chemical combinations of different kinds of atoms
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published the Periodic Table
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discovered protons while experimenting with cathode
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Examined two ways that a cathode ray can be deflected, using a magnet and using electrically charged plates
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first to discover that atoms have a small charged nucleus
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First to discover that electrons travel in seperate orbits
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Carried out experiments to find the quantity of charge carried by an electron, using charge to mass ratio of an electron measured by thomson
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He originated quantum theory, he won a Nobel prize for physics
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known for his uncertainty principle and theory of quantum mechanics
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Took the Bohr atom model one step further, used mathematical equation to find an electron in a certain position
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He discovered the Neutron, he was awarded the Nobel Prize
