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feb 2, 1913 - Niels Bohr proposes his theory on the atom

Description:

Niels Bohr is a danish scientist born 1885 and died 1962. He is famous for making a new model of the atom. He proposed that the electrons orbit around the nucleus in rings on different levels.

Added to timeline:

16 Oct 2017
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Date:

feb 2, 1913
Now
~ 112 years ago