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April 1, 2024
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Created by
Quincy Attobrah
⟶ Updated 22 Oct 2018 ⟶
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Events
JJ Thomson discovered the electron using Cathode Ray Tube experiment
The Plum Pudding Atomic Model was first composed by JJ Thomson as one of several models of the atom
Bohr Planetary Model, Niels Bohr and Ernest Rutherford concluded the atom as a small positively charged nucleus surrounded by electrons that orbit around the nucleus
Robert Millikan discovered the unit charge of an electron using Oil drop experiment
Antoine Lavoisier discovered the role oxygen plays in combustion and named oxygen and hydrogen
Democritus formulated atomic theory
John Dalton Introduced atomic theory to chemistry
Ernest Rutherforddiscovered the proton with Gold Foil Experiment