DEVELOPMENT OF THE PERIODIC TABLE

By MrGrumpy

  • First 60 elements were found

    In 1860 the first 60 elements were discovered.

  • The first periodic table was published

    The first copy of the periodic table became commercial by Alexandre Beguyer de Chancourtois

  • Dimitri Mendeleev became professor of general chemistry in 1867

    in the year 1867 Dimitri Mendeleev was made the professor of general chemistry.

  • Dimitri Mendeleev periodic table in 1869 had 17 columns with two partial periods of seven elements

  • Dimitri Mendeleev came within Dimitri Mendeleev came one vote of winning the Nobel prize for chemistry

  • Henry Moseley discovered the proton in 1911

  • The periodic table did not stop progressing for another 75 years after Dimitri Mendeleev

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