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15 cards from this deck
Tiny spheres that cannot be divided
1897
Ball of positive charge with negative electrons embedded
Gold foil
Positive
Passed straight through
Empty space
Centre has positive charge, repels them
Nucleus has great mass
Nuclear model
Electrons orbit at specific distances
Energy levels or shells
James Chadwick
0.1nm0.1 nm0.1nm (1×10−10m1 \times 10^{-10} m1×10−10m)
1×10−14m1 \times 10^{-14} m1×10−14m
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