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atomic number 18
Noun
a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
synonym
Ar
argon
holo substance
air
hypernym
argonon
inert gas
noble gas
atomic number 18 vs Ar
atomic number 18 vs argon
atomic number 18 vs argonon
atomic number 18 vs inert gas
atomic number 18 vs noble gas
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