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Element Of Krypton

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Matthew Ruiz

on 17 November 2015

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Transcript of Element Of Krypton

Element Of Krypton
History
Krypton was discovered on May 30,1898, 29 years after the peridoc table was created. It was dicovered by two men: Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an english chemist. While these two were studying liquified air they noticed that small amounts of a gas were left behind. They named this new element Krypton from the Greek word "Kryptos" meaning hidden. The earth's atmosphere is 0.0001% krypton. Meaning that you can find it in the air around you.
Atomic Structure
Krypton is classified as a non-metal
Atomic Number is 36
Atomic mass is 83.79 or 84
Located in the 18th group and the 4th period, it is a noble gas.
Noble Gases are odorless, colorless and have very low reactivity.
Physical/Chemical Properties
State at room tempreture is a gas
Boiling point is -153.22°C or -243.80°F
Melting point is -157.36°C or -251.25°F
Density is 0.003733 grams per cubic centimeter.
Krypton does not react with: Air, water or acids.
Krypton does react when an electrical current is passed through it. When this happens it produces a smokey-white color.
Krypton is not conductive or lustrus because it is a gas.
How is Krypton Extracted
Krypton has 36 electrons and 48 neutrons.
Uses and application

Krypton is used in lighting products such as flashing airport runway lights and neon lights.
It is also used as a filling gas in florecent lightbulbs
Krypton in the atmosphere can be used to detect secret nuclear weapons research and production facilities.
When an electic current passes through Krypton it becomes a very bright color which is why it is used in runway lights and signs.
Krypton glowing in an electical discharge tube
Sir William Ramsay
Morris M. Travers
Krypton is extracted from the final residues of liquefied air by fractional distillation. Fractional distilation is when a mixture is broken down to it's component parts. This happens when when of the parts is heated to it's boiling point which causes it to vaporize leaving just the other part of the mixture. Fractional distillation can cost up to $1 million.
Bibliography
http://education.jlab.org/itselemental/ele036.html
http://education.jlab.org/qa/krypton.html
http://www.chemicool.com/elements/krypton.html
https://en.wikipedia.org/wiki/Fractional_distillation
Pictures
http://casiconve.blog.com/page/3/
http://www.verticallearning.org/curriculum/science/gr7/student/unit01/page21.html
http://education.jlab.org/qa/krypton.html
http://www.chemicool.com/elements/krypton.html
http://www.dec.ufcg.edu.br/biografias/WilliRam.html
http://aylmer2zazzoo.blogspot.ca/2014/01/krypton.html
https://en.wikipedia.org/wiki/Fractional_distillation
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