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said matter was composed of tiny particles gave them the name A tomos:uncuttable or indivisible
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All matter was composed of atoms. Different elements had atoms differing size and mass.
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founded the electron. Positively packed spheres with negativity charged electrons.
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Atoms consisted largely of empty space while most of the mass focused in the center and called the nucleus
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- Found electrons orbited the nucleus. Electrons jumped from one ring to another but never in the space in between.
