What is ARGON?

A noble gas with chemical symbol Ar and atomic number 18. The third most common gas in the Earth's atmosphere. Industrially, it can be produced via fractional distillation of liquid air. Argon is very stable and does not form bonds with other elements. It is used for arc welding, in cryosurgery, in incandescent lights, for thermal insulation...

ARGON: "The most abundant isotope of argon, 40Ar, is produced by the decay of 40K. "

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