Chlorine (Cl) is a green gas.
Iron Oxide Chlorine (Cl) is a green gas.
yellow-green
chlorine
chlorine gas is always green in colour.
Chlorine is a pale green gas at room temperature.
Chlorine gas is yellowish green. It's a yellowish white when a solid.
Fart in to a container depending on the colour of it wether it is vibrant green or not depends on the price (Greener gas cost less)
Chlorine. It is a poisonous gas, with a green-yellow colour. The word 'chlor' from Classical Greece, means 'green' , hence its name of 'chlorine'. If you use bleach at home , that clean sharp smell is a few molecules of chlorine gas.
Neon in itself does not refer to a colour, but might refer to a kind of colour, like "neon-green", or "neon-pink", etc. This colour is often emitted by the gas "Neon", being the namesake of this highly saturated strain of colour. Neon gas emits this kind of light when electrified. Hope that helped!
Sodium, magnesium etc...
hydrogen If the person posting the question is looking for a gas that is an element perhaps the answer they are looking for is Chlorine [Not that Hydrogen is not an element but I do not recall it having colour]
he has green eyes