Argon

1. 18 39.95 Argon JOSEPH HOOKER

2. the properties and uses • Argon has a freezing point of -189.2°C, • Boiling point of -185.7°C, and • Density of 1.7837 g/l • Argon is a colorless, • Odorless gas • Argon is considered to be a very inert gas and does not form true compounds as do others in the same Group. • , used in photo tubes • ,used in glow tubes, • Used in lasers • Argon is used in electric lights and in fluorescent tubes

3. Facts about argon • The atmosphere contains 0.94% • It is obtained commercially from liquid air. • Argon was discovered in 1894 • by Lord Rayleigh and Sir William Ramsey in the UK • Argon is used in electric lights and in fluorescent tubes, photo tubes, glow tubes, and in laser • Argon is used as an inert gas for welding and cutting,

4. Argon song the tune of jingle bells Argon, was discovered by Argon, and was discovered in 1894 can’t be seen Its color less and odorless Argon, And use for cutting Argon, Argon, it is in glow tubes Argon, and .98% of are air It is for welding It glows and flows Argon, Argon, Ramsey

5. http://www.webelements.com/webelements/scholar/elements/periodic-table/uses.htmlhttp://www.webelements.com/webelements/scholar/elements/periodic-table/uses.html http://www.webelements.com/webelements/scholar/elements/periodic-table/uses.html http://chemistry.about.com/library/blper5.htm