Name That ElementName That Element Chelsea J Colon
History• What is in a name?- means inactive• Ascertained in Scotland• Identified by Lord Rayleigh and Sir William Ramsay
Properties• At room temperature I am a gas• Can never see me I’m ghostly pale...invisible even• Boil at 87.30K Melt at 83.80K• Not very dense about 0.002• Isotopes 40?(99.6%), 36? (0.34%), and 38? (0.06%).
Availability• I can be found in the atmosphere• I am 5 cents per 100 grams• The usual way to get me is by distillation of liquid air
Uses• Used in light bulbs to protect the filament• Used in medical lasers to correct eye defects• There are no known chemical compounds, but it can form clathrates with water when atoms of it are trapped in a lattice of water molecules.
Fun Facts• To see me in action watch this video http://www.youtube.com/watch?v=Jvkhv yWH0Js&feature=player_embedded#!• If you haven’t guessed who I am yet here is a clue two clues • In group 18 • Symbol Ar
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