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Jean Baptiste Dumas, Leopold Gmelin, Ernst Lenssen, Max von Pettenkofer, and J.P. Cooke discovered 10 new elements. (30 déc. 1829 – 22 févr. 1858)

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Periodic Table Timeline

ByJessica Maeda
16 déc. 2017
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Date:

30 déc. 1829
22 févr. 1858
~ 28 years
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