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Timeline, History of the Atom, Marieandpierre, Albert einstein, louise, J…
Timeline
460 BCE
Democritus is born in Aldera, Greece
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The history of the atom starts a long time ago just about 2,000 years before the invention of the first microscope and almost 2,500 years from now
Democritus was an ancient greek pre-socratic known as the laughing philosopher since he emphasized cheerfulness
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He knew that if a stone was split in half, both sides would still have the same properties as the whole so he proposed that if the stone was continually cut in half it would get so small that they wouldn't be able to cut it anymore
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J.J. Thomson's "Plum Pudding" model
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Bohr's atomic model
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