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Krypton

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					Krypton: Obvious Joke, or Rare
            Gas?
          A Chris N production
      Mr. Rapp Chemistry 1, p. 5
Krypton
    •   Krypton is a noble gas, number 36, with symbol
        Kr.
    •   Krypton is a colorless gas at room temperature.
    •   It’s name comes from the Greek word for
        hidden.
    •   Krypton was discovered in 1898 by Sir William
        Ramsay, and Morris W. Travers in England.
    •   They found it by boiling off the key components
        of air and seeing what was left.
    •   Its uses include a low pressure filler for
        fluorescent lamps, and the international standard
        for a meter (derived from the wavelength of one
        of its spectral lines.
Other great Kryptonian Stuff
•   Krypton’s electron
    configuration is
    [Ar].3d10.4s2.4p6
•   As a noble gas it very
    rarely makes compounds.
•   Krypton is a very rare
    element and hard to
    isolate.
•   Experts are now unclear as
    to whether krypton truly is
    superman’s birthplace
•   That sounds like a Mr.
    Rapp joke.
•   In fact he’s probably right
    now saying, “Oh mercy
    that was a good one.”

				
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posted:4/29/2013
language:English
pages:3
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