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Thought everything was made from water or made from something else.
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Came up with the term "atom." and believing everything is held together by atoms.
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Believed everything was made up from Earth, water, air, and fire.
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Atoms are tiny particles that move a ton.
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Mixture of gases for experiment, 5 main points- Atomic Theory
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Discovered radioactivity and used the Uranium experiment.
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Discovered the electron.
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Discovered that atoms contain a nucleus.
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Determined charge and mass of electrons. He completed the Oil Drop Experiment
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Created the Bohr model, electrons on fixed paths.
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Aston studied and discovered the isotope using a mass spectrometer.
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Discovered the evidence towards the existance of neutrons.
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Used math equations to describe the probability of where an electron will be. He discovered the Quantum Model.