Definition of Noble gas

(Chem.) a gaseous element belonging to group VIII of the periodic table of elements, not combining with other elements under normal reaction conditions; specifically, helium, neon, argon, krypton, xenon, or radon; also called inert gas.

See also: Noble

Related Words

Ar, argon, argonon, atomic number 10, atomic number 18, atomic number 2, atomic number 36, atomic number 54, atomic number 86, chemical element, element, gas, He, helium, inert gas, Kr, krypton, Ne, neon, radon, Rn, Xe, xenon

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