1. Kr KRYPTON By: BhCmEdDc 24 4 808 62 36

2. About Krypton  Its symbol is Kr.  Atomic Number: 36  Atomic Weight: 83.798  Derived from the Greek word kryptos, or “hidden.”

3. Physical and Chemical Properties  Melting Point: 115.79 Kelvin (-157.36 Celsius or -251.25 Fahrenheit).  Boiling Point: 119.93 Kelvin (-153.36 Celsius or -243.80 Fahrenheit).  Density: 0.003733 g/cm cubed.  Krypton’s Atomic Structure is very stable. It has just enough electrons to fill its outer shell, so it doesn’t tend to combine with other elements.  Krypton is odorless and colorless.  Krypton is non-corrosive.  Krypton is non-flammable but it can possibly explode if combined with certain elements.  Krypton is non-toxic

4. The History  Discovered on May 30, 1898 by Sir William Ramsey, a Scottish chemist, and Morris M. Travers, an English chemist.  Was stumbled upon when the two were studying liquefied air.  Past uses include filling lava lamps, and neon signs.

5. Modern Uses  Today the same things Krypton was being used for in the past still exist as well as the modern use of flashes in photography.  Krypton-85 can be used to detect secret nuclear weapons research and facilities which may produce such weapons.  It also has medical uses in MRI technology.

6. Interesting Facts  The element Krypton inspired the home name and the weakness of a famous superhero……. BATMAN!!! I’m kidding it’s SUPERMAN!!! Nothing stops Batman.

7. Interesting Facts Cont.  Krypton lasers can produce massive pulses much larger than the U.S.’s entire electrical grid. These pulses only last four billionths of a second.  Krypton can become a solid white crystal if the conditions are correct.  It is unreactive except with fluorine.  Costs $33 per 100mg

8. Sources  "Krypton Facts." Krypton Facts. N.p., n.d. Web. 17 Oct. 2014.  "NEWTON Ask a Scientist at Argonne National Labs!“. N.p., n.d. Web. 16 Oct. 2014.  "Proceedings of the National Academy of Sciences." Proceedings of the National Academy of Sciences. N.p., n.d. Web. 16 Oct. 2014.  "Search Chemicals." Home. N.p., n.d. Web. 15 Oct. 2014.  "The Element Krypton." It's Elemental-N.p., n.d. Web. 11 Oct. 2014.  "Questions and Answers - Is Krypton Dangerous?" Questions and Answers - Is Krypton Dangerous? N.p., n.d. Web. 17 Oct. 2014.