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The first atomic model.
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The second atomic model.
He discovered the electron.
With the cathode ray tube experiment. -
The third atomic model.
With the gold foil experiment. -
The fourth model.
He discovered the orbits of electrons.
With calculus (math) experiment. -
Broglie presented this model taking like a refernt the studies of Einstein and Planck.
It shows that a particle can act as a particle and as a wave at the same time.