Air in seventeenth century to nineteenth century

By joseRobles1997

  • Ar

    Ar
    1894 English chemists Lord Rayleigh and William Ramsav discover argon.

  • He

    He
    1895 English chemist Sir William Ramsay and Swedish chemists Per Teodor Cleve and Nils Abraham Langlet discover helium. Per Teodor Cleve: Thulium and holmium

  • Ne

    Ne
    1898 English chemists William Ramsay and Morris Travers discover neon. Morris Travers: Neon, Krypton and xenon.

  • Kr

    Kr
    1898 English chemists William Ramsay and Morris Travers discover krypton.

  • Xe

    Xe
    1898 English chemists William Ramsay and Morris Travers discover xenon.