In What Order Did Mendeleev Arrange the Elements in the Periodic Table?

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Mendeleev arranged elements of the periodic table according to their atomic masses corresponding to the relative molar mass. He was the first chemist to arrange elements on the periodic table. He left some spaces on the periodic table anticipating discovery of new elements and his table formed the basis of the present periodic table.
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The Periodic Table of Elements
Dmitri Mendeleev generally is credited with the creation of the first periodic table, which charts the chemical elements by atomic number and valence shell electron configuration.
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Q&A Related to "In What Order Did Mendeleev Arrange the Elements..."
They were arranged by the element's atomic mass . (lowest to highest)
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According to increasing
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Because he was working only by characteristics of the substances, not by any theoretical basis. He knew nothing of shells or energy levels.
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The lanthanides and the actinides were added.
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