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April 1, 2024
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atomic theory
Created by
Alexander McMillan
⟶ Updated 6 Feb 2018 ⟶
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Events
Thinking about matter
John Dalton and atoms
cathrode ray
x-rays develpoed
Radiation, energy and the atom
electrons discoveried
Early quantum theory developed
einstine and the nature of light
chrage of en electron mesured
sturcture of an atom develpoed
bohr improves the atomic model
Math describes electron changes
The neutron is descovered
Nuclear fission developed
Nuclear Medicine and I-131
Elementary particles smaller than the atom Murray Gell