M.L.M.S. Site

Periodic Table
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 Elemental Facts: 
Symbol
 Rn
Atomic Number
 86
Atomic Mass
 222
Electron Configuration
2, 8, 10, 32,18, 8
[Xe].4f14.5d10.6s2.6p6
Valence Number 8
Melting Point 202°K, -71°C, -96°F
Boiling Point 211°K, -62°C, -80°F 
Family
 8
Series
 6
Element Classification
 Noble Gas
Density
 9.2g/l
Crystal Structure cubic
State of Matter
 gas
Date of Discovery
 1898
Person Who Discovered Friedrich Ernst Dorn
Historical Facts and Elements Uses:
Radon is made when Uranium decays.  It is not found in all living things.  High levels of Radon can be very dangerous.   It is a very heavy gas that sinks so it goes into the basement and then it rises and gets into the house and can kill people.  Radon causes 1400 deaths a year.  Radon can cure cancer if used carefully.  Radon comes from the Latin word niton which means shining. You can find Radon in granite rock and spring water.  Radon is the heaviest known gas. Radon is colorless and odorless and is tasteless. 

 
Bibliography:
Knapp, Brain Potasium to Zirconium,USA, 2001
http://www.chemicalelements.com/index.html, 12-13-01
http://nobel.scas.bcit.ca/resource/ptable/elementsalpha.htm, 12-13-01
http://periodictable.com/pages/AAE__studentHOME.html, 12-13-01

 
Periodic Table Links
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Elements

 
Created By:
 Rachel
Last Updated:
 13-12-01
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