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Discovered atoms compose matter, atoms are indivisible, atoms of the same element are identical, atoms of different elements are different, and compounds found as small whole number ratios.
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He used the Cathode Ray experiment to discover that atoms have electrons.
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He used the Gold Foil Experiment and discovered the nucleus and a positive charged atom with mostly empty space. and particles bounced back then the particles went through
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He depicts the atom as a small positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus.
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The modern model of the atom says the electrons are in constant motion around the nucleus and also the protons and nuetrons jiggle within the nucleus.
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