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13 cards from this deck
Tiny solid spheres that cannot be broken down
Electrons
Positive sphere with electrons scattered throughout
Passed straight through the atom
Hit dense, positive nucleus
Atoms are mostly empty space
Tiny positive nucleus at centre
Niels Bohr
Move in fixed orbits at specific distances
Positively charged particles in nucleus
Particles with no charge in nucleus
James Chadwick
About 20 years later
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