The six naturally occurring noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn). Oganesson (Og) is a synthetically produced highly radioactive ...
Argon is used because of its inert properties for protection against the oxidizing effect of air. Argon is widely used as a blanketing or shielding gas in metallurgy ...
(The helium-neon laser emits on neutral neon lines.) A pulsed xenon ion laser, with somewhat different characteristics than other noble gas ion lasers, is described briefly in Chap. 16. The prime ...