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Noble gases
group of chemical elements in column 18 of the priodic table, that tend to be chemically inert and thus form odorless, colorless, monatomic gases with low reactivity; consists of helium, neon, argon, krypton, xenon, radon, and possibly oganesson
Pronunciation
/ˈnoʊbəl ˈgæsəz/
/ˈnəʊbəl ɡasɪz/
Categories
inert gas
chemical element
main group
periodic table group