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ATOMIC NUMBER 18

(noun)

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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

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atoll5atolls6atom6atom-bombatomic10 atomic number 18 atomical12atomically17atomicities15atomicity16atomics11

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