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jan 1, 1911 - Ernest Rutherford

Description:

He discovered the Planetary model by using gold foil and alpha-particles. He concluded that a positive charge must exist at the center of the atom and not spread throughout the atom. Concluded that the atom has a nucleus and orbiting electrons.

Added to timeline:

5 months ago
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36
Atomic History_ Vallejo

Date:

jan 1, 1911
Now
~ 108 years ago

Images:

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