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jan 1, 1913 - Bohr

Description:

Discovered energy levels in the electron rings of the atom.
Discovered the positively charged nucleus.
Bohr’s model of the atom is similar to the rutherford model except it has energy rings instead of normal rings and it shows the positively charged nucleus.

Added to timeline:

Atomic Theory Timeline

ByEvan Allen (student)
26 Sep 2018
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Date:

jan 1, 1913
Now
~ 113 years ago
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