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Silver (Ag). Beverly Lian. Background. From Old English word ‘ seolfor ’ Symbol from Latin ‘ argentum’ Discovered by ancients (6000 – 4000 B.C.E) Discoverer not known. How it occurs in nature. Group.
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Silver (Ag) Beverly Lian
Background From Old English word ‘seolfor’ Symbol from Latin ‘argentum’ Discovered by ancients (6000 – 4000 B.C.E) Discoverer not known
How it occurs in nature Group Silver is made when rocks deep in the earth, where water is present, are compressed together. Using with heat and pressure, silver is formed. Silver can be found in Group 11 of the periodic table Group 11 is in the area of transition metals.
Reactions Methods of extraction Silver is unreactive with water, air and acids. Mined by machines Electrolysis machine Pan amalgamation process
Properties - Physical White metal with shiny surface Ductile and malleable Has a density of 10.5g/cm-3 at 20oC Melting point of 962oC Boiling point of 2212oC Conducts heat Conducts electricity
Properties - Chemical Very unreactive Does not react with oxygen Reacts very slowly with sulfur compounds in air Does not burn unless in powder form
Uses Coins Jewelry Artwork Photographic film Electronic equipment X-rays
Sources Lenntech BV. (2013). Silver – Ag. The Netherlandshttp://www.lenntech.com/periodic/elements/ag.htm Jrank. (2013). Chemistry Explained – Silver. http://www.chemistryexplained.com/elements/P-T/Silver.html The Laviro Museum. (2011). The Silver Extraction Process. http://www.athens123.com/Main_HTML/Silver%20mines/silver-extraction-process.htm YinonBentor. (2013). Periodic Table: Silver. http://www.chemicalelements.com/elements/ag.html Mark Winter. (2012). Silver: the essentials. http://www.webelements.com/silver/