argon

Argon
 * 1) Element Name (2 pts) **Argon**
 * 2) Element Symbol (2 pts) **Ar** Atomic Number (2 pts) **18** Most Common Mass Number (2pts) **40** Physical State at Room Temperature (2 pts) **It's a gas.** Meaning of the Element's Name or Latin/Greek Name (5 pts) **The Greek name is "argos" meaning inctive.**
 * 3) Uses of the Element (5 pts) **Used mainly in electricity.It is also a blanket for the production of** **reactive elements.**
 * 4) Biological Importance of the Element (5 pts) **It’s an excellent conductor of electricity.**
 * 5) Who Discovered the Element (5 pts) **Argon was discovered by Lord Rayleigh and Sir William Ramsay in 1894.**
 * 6) How the Element was Discovered (5 pts) Chemical Properties of the Element (5 pts) I**solated by examination of the residue obtained by removing nitrogen, oxygen, carbon dioxide, and water from clean air.It is a colourless and odourless gas.**
 * 7) Common Compounds of the Element, if any (5 pts) **Halogens,oxygen,and hydrogen.**
 * 8) Common Ions of the Element, if any (5 pts) **none**
 * 9) Isotopes of the Element, if any (5 pts) **Ar-40 and Ar-38** **are the isoutopes of argon.[[image:http://tbn0.google.com/images?q=tbn:OBRCZx2rHel7MM:http://www.carondelet.pvt.k12.ca.us/Family/Science/Noble%2520Gasses/argon2.jpg width="67" height="68" link="http://images.google.com/imgres?imgurl=http://www.carondelet.pvt.k12.ca.us/Family/Science/Noble%2520Gasses/argon2.jpg&imgrefurl=http://www.carondelet.pvt.k12.ca.us/Family/Science/Noble%2520Gasses/Argon.htm&h=320&w=240&sz=8&hl=en&start=4&sig2=N6FK3wiCMBK3CbNE6evJ0Q&usg=__2FJ6iARe6L94Wm7UVPITUOamhpc=&tbnid=OBRCZx2rHel7MM:&tbnh=118&tbnw=89&ei=EdABSan8BY3kepa7qLoO&prev=/images%3Fq%3Dargon%2Belement%26gbv%3D2%26hl%3Den"]][[image:http://tbn0.google.com/images?q=tbn:GN-xQeAAxA-MkM:http://www.mig-welding.co.uk/aluminium/gas-bottle.jpg width="93" height="88" link="http://images.google.com/imgres?imgurl=http://www.mig-welding.co.uk/aluminium/gas-bottle.jpg&imgrefurl=http://www.mig-welding.co.uk/aluminium-setup.htm&h=611&w=800&sz=69&hl=en&start=5&sig2=U4NX1Quyzn2qd_no-Grrgw&usg=__WSHlD1CZ-qZsTxFEo_90OQmOTuY=&tbnid=GN-xQeAAxA-MkM:&tbnh=109&tbnw=143&ei=etABSarVM4igeLSJva8O&prev=/images%3Fq%3Dargon%2Bgas%26gbv%3D2%26hl%3Den"]]**
 * 10) At least 2 Pictures of the Element in Some Form (5 pts each)
 * 11) At least 1 link to another element's page. krypton helium (5 pts) For extra credit, you may include a video about your element. You can create it yourself or add it from the internet as long as you cite your source. (10 pts EC)
 * 12) <span style="FONT-FAMILY: 'Comic Sans MS', cursive">If you add more info than is required above, you will get extra credit. (5 pts EC)**Air contains less than 1% of Argon. Argon is also used as an inert gas shield for arc welding and cutting.** Sources**-[|webelements],textbook,my periodic table,[|www.Praxair.com]**