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Chem-alchemy

Created by Tyler Usser

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Tyler and Tim

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Events

Alchemy Concept of Atoms The Four Elements Robert Boyle Modern Atomic Theorm First Periodic Table Discovery of Electrons Negatively charged corpuscles Atomic Number Geiger Counter The Neutron The Bohr Model Columbus arrives in America Start of the American Revolution End of the American Revolution Start of American Civil War End of American Civil War WW1 Started WW1 Ended WW2 Start WW2 Ended Hiroshima

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