INORGANIC CHEMISTRY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site neon (Ne) Neon tubes. Credit: Pslawinski & Wikipedia An extremely unreactive gaseous element occurring in the atmosphere to the extent of 18 parts per million. Neon, one of the noble gases, is obtained by the fractional distillation of air. It is colorless but glows reddish-orange in an electric discharge and is used in fluorescent tubes and gas lasers. The most common isotope is 20Ne (90.92%). Neon was discovered in 1898 by Scottish chemist William Ramsay and English chemist Morris W. Travers. atomic number 10 relative atomic mass 20.179 electron configuration 1s22s22p6 atomic radius 38 pm melting point -248.67°C (-415.61°F) boiling point -245.95°C (-410.71°F) Related category    • INORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP