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dec 31, 1921 - Niels Bohr

Description:

Developed an explanation of atomic structure that underlies regularities of the periodic table of elements. His atomic model had atoms built up of sucessive orbital shells of electrons.

Added to timeline:

Scientific method of atom

ByNashua Lovett
11 Dec 2018
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Date:

dec 31, 1921
Now
~ 104 years ago
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