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Thought all things were made of water.
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first person to think of the atom. thougt it was a solid sphere.
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Didnt believe in the Atomic Theory. Believed all substances were made of fire, water, earth, and air.
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He agreed with democritus
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atomic theory, first to have experimental evidence.
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Discovered reactivity, couldn't explain it.
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Discovred the electron, cathode ray experiments.
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discovered the nucleus, golf foil experiment.
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oil drop experiment, found the charge of an electron
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Created the bohr model, though electrons orbited around the nucleus.
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atomic model was the quantum mechanical model.
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Proved the existence of neutrons.