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He came up with the idea that atoms are the smallest possible form of anything.
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Eaglesfield, Cumbria, United Kingdom
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John Dalton hypothesized that all matter is made of atoms, and all atoms of a certain element were the same.
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Law of Definite Proportions, Law of Multiple Proportions
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Manchester, United Kingdom
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Manchester, United Kingdom
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United States
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Brightwater, New Zealand
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Copenhagen, Denmark
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He used a Cathode Ray tube to conclude that there are electrons in an atom that cause a negative charge, and that the number of electrons is equal to the atomic number of an atom.
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Ernest Rutherford conducted the gold foil experiment to show that there are specific places that the laser bounces off of. Protons.
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He used this experiment to measure electrons by the speed in which they fell.
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Ernest Rutherford hypothesized about the nucleus of an atom.
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Bohr's model was the first model to have electrons orbiting the nucleus. Proposed that energy levels of electrons are discrete.
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Physics
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Cambridge, United Kingdom
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Cambridge, United Kingdom
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United States
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Copenhagen, Denmark
