![]() He was the one who made periodic table.ĮTutorWorld Understands Math Tutoring | Online Math Worksheets are Important Tools So in order to finish it quickly he constructed a table of all the elements according to their atomic weights to understand the elements better and to complete his work easily. Dmitry Mendeleev was supposedly late in submitting his work on 63 elements.Mercury and bromine are only two elements that are liquid in room temperature.Periodic table of Mendeleev is in the ascending as order of atomic weight and the modern periodic table is according to increasing atomic number. ![]()
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