(Gr. neos,new) Discovered by Ramsay and Tracers in 1898. Present in the atmospherer as 1 part in 65,000 in air. Liquid neon has over 40 times more refrigerating capacity than liquid helium and more than 3 times that of liquid hydrogen.
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inert gas, colorless gas, unreactive, rare,mixture of three isotopes,in a vacuum discharge tube neon is reddish-orange
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used in making neon advertising signs, high-voltage indicators, wave meter tubes and TV tubes, neon and helium are used in making gas lasers, liquid neon is used as a cryogenic refrigerant