English
Detailed Synonyms for atomic number 18 in English
atomic number 18:
atomic number 18 [the ~] noun
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the atomic number 18
– a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere 1the Ar; the argon; the atomic number 18– a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere 1