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13 cards from this deck
John Dalton (1803)
Indivisible and indestructible spheres
J.J. Thomson
1897
Plum pudding model
Ball of positive charge with negative electrons scattered throughout
1909
Alpha particles (positively charged)
Passed straight through the foil
Atoms are mostly empty space
Deflected in various directions
Nuclear model
Mass concentrated in central, positively charged nucleus
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