E938 has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of E938 in Governmental & Military.
Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble or inert gas. Argon is the third most common gas in the Earth's atmosphere, at 0.93% (9,300 ppm).
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