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November 1, 2025
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Category:
Other
Updated:
23 Mar 2023
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Created by
riley
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Events
Democritus - Particulate Nature of Matter
John Dalton - Atoms and Elements Theory
Dmitri Mendeleev - Periodic Table
John Baptiste Perrin - Proving atoms exist
JJ Thompson - Discovering the Electron
Ernest Rutherford - Discovering the Nucleus
Henry Moseley - Atomic Numbers
Francis William Aston - Discovering Isotopes
Niels Bohr - Electron Energy Levels
James Chadwick - Discovering the Neutron
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