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History of Atomic Theory
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Democritus
used the word "ATOM"
Aristotle
Earth Wind Fire Air
Dalton
revived theory after Democritus
discovered cathode ray
Dalton
Dalton
isolated electron
Milikan
Oil drop experiment
Rutherford
Gold Foil Experiment
Chadwick
neutron
Bohr
Planetary model
mostly empty space
Rutherford
Simplest atomic model
Billiard ball
Wave model
most complex model
Plum pudding
Thompson
plums represent
electrons
Rutherford
discovered nucleus
rutherford
electrons outside nucleus
thompson
electrons inside atom
Electrons inside atom
plum pudding
Bohr
Planetary
Orbital
probable location of electron
Barbara Peel
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