atomic number 18

Questions

What does atomic number 18 mean?

a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

How to pronounce atomic number 18

1. Open the pronunciation page — Open the Speakur entry for “atomic number 18”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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4. Repeat and practice — Say “atomic number 18” aloud, matching stress and vowels until it feels natural.