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Alexandre-Emile Béguyer de Chancourtois Biography


Alexandre-Emile Béguyer de Chancourtois (1820 - 1886)

Alexandre-Emile Béguyer de Chancourtois (1820 - 1886)

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Alexandre-Emile Béguyer de Chancourtois:

Alexandre-Emile Béguyer de Chancourtois was a French geologist.


January 20, 1820 in Paris, France


November 14, 1886 in Paris, France

Claim to Fame:

De Chancourtois was a French geologist who was the first to organize the elements by atomic weights. He plotted a graph of the elements around a cylinder with a circumference equal to 16 units to correspond to the weight of oxygen. The elements that appeared above and below each other shared similar periodic properties between each other. His publication dealt more with geology than chemistry and did not reach the attention of mainstream chemists. After Mendeleev published his table, his contribution gained more recognition.

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