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Atomic Number 18
Definition of Atomic Number 18
1.
A colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
Noun
Synonyms for word "atomic number 18"
ar
argon
Semanticaly linked words with "atomic number 18"
chemical element
element
argonon
inert gas
noble gas
air
Hyponims for word "atomic number 18"
chemical element
element
argonon
inert gas
noble gas