Periodic table elements

Organization of the Periodic Table

By tcottman

  • Henry Cavendish identifies Hydrogen

    Henry Cavendish identifies Hydrogen

  • Antoine Lavoisier lists comprehensive list of 33 elements & distinguishes between metals & non-metals

    Antoine Lavoisier lists comprehensive list of 33 elements & distinguishes between metals & non-metals

  • Johann Dobereiner developed groups of 3 elements with similar properties

    Johann Dobereiner developed groups of 3 elements with similar properties

  • Jakob Berzelius developed a table of atomic weights and assigns letters

    Jakob Berzelius developed a table of atomic weights and assigns letters

  • John Newlands arranged known elements in order of atomic weights

    John Newlands arranged known elements in order of atomic weights

  • Lothar Meyer develops early version of periodic table - 28 elements included

    Lothar Meyer develops early version of periodic table - 28 elements included

  • Dmitri Mendeleev created table by atomic weight arranged periodically by elements with similar properties

    Dmitri Mendeleev created table by atomic weight arranged periodically by elements with similar properties

  • William Ramsay discovers Noble Gasses

    William Ramsay discovers Noble Gasses

  • Marie and Pierre Curie identify radium and polonium

    Marie and Pierre Curie identify radium and polonium

  • Ernest Rutherford discovered source of radioactivity is decaying atoms

    Ernest Rutherford discovered source of radioactivity is decaying atoms

  • Henry Moseley determines atomic number of each element and adjust periodic law

    Henry Moseley determines atomic number of each element and adjust periodic law

  • Edwin McMillan and Philip H. Abelson identify neptunium

    Edwin McMillan and Philip H. Abelson identify neptunium

  • Glenn Seaborg synthesised transuranic elements

    Glenn Seaborg synthesised transuranic elements