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*Gas discharge tube -- quantized the atom / discovered allowed energy states
*Atom model = shell |
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*Cathode ray tube -- discovered electrons (and that they have a negative charge)
*Atom model = pudding |
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*Oil drop experiment -- discovered charge of electrons
*Atom model = pudding |
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*Compound observation -- created atomic theory
*Atom model = single chunk |
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1) All matter = atoms, indestructible/divisible
2) All atoms of an element have identical prop.
3) Compounds = different atoms
4) Rxn = rearrangement of atoms |
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*Gold foil experiment -- discovered nucleus w/ positive charge, atom mostly empty space
*Atom model = planetary |
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