He
Ar = 4.0
Monatomic colourless gas.
Used in ‘ships’ or ‘blimps’.
Replaces nitrogen in the air used for deep-sea diving – to offset ‘bends’ or diving sickness.
He
Ar = 4.0
Monatomic colourless gas.
Used in ‘ships’ or ‘blimps’.
Replaces nitrogen in the air used for deep-sea diving – to offset ‘bends’ or diving sickness.