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June 30, 2021
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Atoms and Elements timeline
Created by
Steve
⟶ Updated 11 Feb 2020 ⟶
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Events
Democritus declares his theory
John Dalton defines atoms as balls and atoms of one element are the same.
Sir Joseph John Thomson creates the "pudding model"
Rutherford discovers that the electrons 'orbit' the 'nucleus'
Niels Bohr creates the 'atomic model'
Schrödinger makes the periodic table
