inertgas Krypton, e.g Xenon, for one Helium, e.g Helium or neon He is one One won't react under normal circumstances Neon or xenon Molecular nitrogen, e.g Krypton, for instance Krypton, for example Krypton, e.g. Neon or helium Noble thing It's hard to get a reaction out of it Angriest exchange when argon was called this? He perhaps isn't seething with rage He maybe is great shakes around Nigeria's capital He is one running Tangiers Neon, e.g Krypton, for one