anaesthetic gas dose not have a symbol because it is not a proper gas.
its a gas tank with some gas hanging out of it
The gas symbol for argon is Ar.
The symbol for nitrogen gas is N₂.
The symbol for hydrogen gas is H2
I2(g) is the symbol for iodine in its standard state (including its state symbol.)
the Gas is corbon dioxide. i do not know its symbol.
The symbol for Gas Natural Inc. in the AMEX is: EGAS.
The symbol for Southwest Gas Corporation in the NYSE is: SWX.
Oxygen's symbol is O, and oxygen in its natural gas state is O2
The symbol for Samson Oil & Gas Limited in the AMEX is: SSN.
The symbol for Advantage Oil & Gas Ltd in the NYSE is: AAV.