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argon
Atomic Number: 18
Atomic mass: 39.948
Melting point: -189 °C
Boiling point: -185.7 °C
Electronegativity: unknown
discoverer: Sir Ramsay
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Description:
Argon is a colorless, odorless gas that is totally inert to other substances. it can be found in the earth's atmosphere.
Atom model
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