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Properties of Matter Element Card 2, Lesson 21



Melting point

-189° C

Boiling point

-185.7° C


0.0017 g/cm³



Other physical properties


Chemical properties

Argon does not react with substances (except fluorine). It is odorless and nontoxic.




Argon is used in lightbulbs, lasers, and arc welders. Crystals for making computer chips are grown in an inert, argon atmosphere.


Argon makes up about 1% of air. It is the third most common gas in air and is obtained by the distillation of air.



Scientist using an argon laser.

This scientist is performing research using an argon laser.


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