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Chem TImeline
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Wurde aktualisiert 18 Sep 2018
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Jake MacMaster
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Ereignisse
Democritus develops the concept of the atom
Aristotle discovers 3 parts to a atom
Alchemists call the smallest piece of a pure substance an element
Robert Boyle makes a discover about gas
John Dalton makes a discovery about matter.
Dmitri Mendeleev creates the periodic table
J.J. Thomson makes a discovery about electrons
Hans Geiger discovers a counter for alpha particles
Ernest Rutherford overturns J.J. Thomson's theroy
Robert Millikan discovers the charge of a electron
Neils Bohr has a theory about electrons
James Chadwick makes a discovery about nuetrons
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