Krypton is a noble gas. Why are we not surprised? The planet Krypton is good, kryptonite is bad. Which came first, Action Comics #1 or the element? Earthly krypton was discovered in 1898 by Sir William Ramsay and Morris Williams Travers. The word krypton comes from the Greek kryptos meaning 'hidden' due to the fact it was really, really hard to discover. You'll never guess why this gas is called 'noble'. Because krypton's too hoity-toity to react with other elements! But maybe it's non-reactive because it's inert. Not unlike Keanu Reeves. I know! What did Keanu Reeves ever do to me? To make up for that crack, here's a link to a list of his DVDs: Keanu Rules!
Source: Gale Virtual Reference Library, Chemical Elements, 2010
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