argon

chlorine${\displaystyle \longleftarrow }$ 18 ${\displaystyle \longrightarrow }$potassium or kalium

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Argon

Pronunciation

• (US) enPR: är'gŏn, IPA ^(key): /ˈɑːrɡɒn/

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• Hyphenation: ar‧gon

Noun

Singular argon

Plural none

1. (uncountable) A chemical element (symbol Ar) with an atomic number of 18.
2. Argon is a gas, often used in light bulbs to change the colour of the light.

Related words

• gas