ATOMIC NUMBER 18(noun) Did you mean: Rhymes Also try: atomicnumberDefinitions There is 1 meaning of the phrase Atomic Number 18. Atomic Number 18 - as a noun A colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere Synonyms (Exact Relations)ar 2argon 6A-Z Proximitiesatoll 5atolls 6atom 6atom-bombatomic 10 Atomic Number 18 atomical 12atomically 17atomicities 15atomicity 16atomics 11Add 1 Letter To Make These Words...Phrasesatomic number 108
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