Question

2) Inert gases in air.​

Answer 1

Answer:

At the bench scale, chemists perform experiments on air-sensitive compounds using air-free techniques developed to handle them under inert gas. Helium, neon, argon, krypton, xenon, and radon are inert gases.

Answer 2

Answer:

An inert gas is a gas that does not undergo chemical reactions under a set of given conditions. ... This is a tendency, not a rule, as noble gases and other "inert" gases can react to form compounds. The group 18 elements include helium, neon, argon, krypton, xenon and radon.