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Unit 3 Lesson 1 (John Dalton (British Chemist, published atomic theory,…
Unit 3 Lesson 1
John Dalton
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Atoms could not be created, destroyed or divided
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Democritus
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Called this particle "atomos" meaning, "not able to be divided", turned into "atom"
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Earnest Rutherford
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Nucleus- small, dense center that has positive charge, surrounded by moving electrons
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