What elements is air made of?

1 Answer
Mar 17, 2017

Primarily nitrogen, oxygen, argon, carbon dioxide and water. Trace amounts of Xenon, Neon and Krypton also are in air.


Other localized concentrations of other gases (pollutants) may be contained in air (#N_2O, O_3#, CO, etc.) but they are not considered a normal constituent of "air".