De Chancourtois

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History Of The Periodic Table - Classifying Elements - Alexandre-Emile Béguyer De Chancourtois
... Alexandre-Emile Béguyer de Chancourtois, a French geologist, was the first person to notice the periodicity of the elements — similar elements seem to occur at regular ... arranged in a spiral on a cylinder by order of increasing atomic weight, de Chancourtois saw that elements with similar properties lined up vertically ...
Alexandre-Emile Béguyer De Chancourtois - Organizing The Elements
... In 1862, a year before John Alexander Reina Newlands published his classification of the elements, de Chancourtois created a fully functioning and unique system of organizing the ... De Chancourtois devised a spiral graph that was arranged on a cylinder which he called vis tellurique, or telluric helix because tellurium was the ... De Chancourtois ordered the elements by increasing atomic weight and with similar elements lined up vertically ...
Alexandre-Emile Béguyer De Chancourtois
... Alexandre-Émile Béguyer de Chancourtois (20 January 1820 – 14 November 1886) was a French geologist and mineralogist who was the first to arrange the chemical ... De Chancourtois only published his paper, but did not publish his actual graph with the proposed arrangement ... De Chancourtois was also a professor of mine surveying, and later geology at the École Nationale Supérieure des Mines de Paris ...