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12 cards from this deck
John Dalton, 1803
Tiny spheres that can't be broken into smaller parts
JJ Thomson, 1909
Electrons in positively charged sphere, randomly distributed
Ernest Rutherford, 1909
Positively charged alpha particles
Most alpha particles went straight through foil
Small positive charges present in atom
Ernest Rutherford, 1917
Positively charged particle in nucleus
Very small and dense central nucleus
Nuclear model of the atom
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