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inert gas

Overview page. Subjects: Public Health and Epidemiology — Meteorology and Climatology.

Syn: noble gas. Helium, neon, argon, krypton, xenon, and radon, all of which occur in trace amounts in the atmosphere, and all of which share the quality of being difficult to combine...

See overview in Oxford Index

noble gases

Overview page. Subjects: Chemistry.

A group of monatomic gaseous elements forming group 18 (formerly group 0) of the periodic table: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). The electron...

See overview in Oxford Index