inert gas
Explore definitions, synonyms, and language insights of inert gas
Definitions
                    Noun
                    
            any of the chemically inert gaseous elements of the helium group in the periodic table
                More Specific Terms
                    Ar
                    argon
                    atomic number 10
                    atomic number 18
                    atomic number 2
                    atomic number 36
                    atomic number 54
                    atomic number 86
                    He
                    helium
                    Kr
                    krypton
                    Ne
                    neon
                    radon
                    Rn
                    Xe
                    xenon