Who Created the Periodic Table of the Elements?


Quick Answer

While the invention of the periodic table of elements is commonly attributed to Dmitri Mendeleev, the atomic weight sorting system was first conceptualized in 1862 by Alexandre-Emile Béguyer de Chancourtois. Despite releasing his table seven years before Mendeleev, Chancourtois' status as a geologist resulted in minimal exposure of his invention.

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Full Answer

The Chancourtois table of elements was first presented through a paper to the French Academy of Sciences. This paper was published in 1862 in the Comptes Rendus, which was the Academy's official journal. This release did not include an actual table, which instead appeared in a different publication. Mendeleev's periodic table of elements was first presented at the Russian Chemical Society on March 6, 1869.

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