Neon (Ne) is a chemical element and atomic number (Z) 10, group 18 (noble gases), period 2, and atomic weight 20.180. The Neon (Ne) is the reddish-orange colour in a vacuum discharge tube and in neon lamps, used generically for types of lights include high-voltage indicators, lightning arrestors, wave meter tubes and television tubes. Liquefied neon is commercially used as an economical cryogenic refrigerant. Refer to the Chemical Element; Periodic Table)
