Atom Quiz Scientists

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Last updated 4:16 AM on 9/21/26
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6 Terms

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Dalton

All matter is made of atoms

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JJ Thomson

Discovered electrons using a cathode ray. Atom is uniform, positively charged sphere containing positively charged alpha particles

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Ernest Rutherford

Discovered dense positive nucleus with gold foil experiment. Electrons are held close due to their attraction to the positively charged nucleus

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Dalton Model - solid sphere

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Thomson’s Plum Pudding Model - discovered electrons using cathode ray

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Discovered dense positive nucleus, with gold foil experiment