Isn't there an element that's an emerald green colour and looks like that

T

trippy

New member
stuff off of Super Man movies? What can it be used for? What is it used in? I used to remember the name of the element and it almost sounded like the stuff in the Super Man movies?
What can the gas krypton be used for?
What can the gas krypton be used for?
What can the gas krypton be used for?
 
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