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.