Silver

Atomic Number:47Atomic Mass:107.8682Melting Point:1,763Boiling Point:3,924Number of Protons/Electrons: 47 pro. 5 electronsNumber of Neutrons: 61Classification: Color: silver

ELEMENTSymbol: Ag

HISTORYSilver has been mined for eons and has always been popular in jewelry and for coinage. Only in the past hundred years however, has the demand for silver been so great. The reason for this demand is the use of silver in the photography industry, which takes advantage of silver's reactivity to light.

CHEMICAL PROPERTIESChemical properties of silver - Health effects of silver - Environmental effects of silverAtomic number47Atomic mass107.87 g.mol -1Electronegativity according to Pauling1.9Density10.5 g.cm-3 at 20°CMelting point962 °C

PHYSICAL PROPERTIESSilver is a chemical element with symbol Ag (Greek: άργυρος árguros, Latin: argentum, both from the Indo-European root *h₂erǵ- for "grey" or "shining") and atomic number 47. A soft, white, lustrous transition metal, it possesses the highest electrical conductivity, thermal conductivity and reflectivity of any metal.

SOCIETAL APPLICATIONShttp://www.galleries.com/Silverhttp://www.livescience.com/37040-silver.htmlhttp://www.sbcgold.com/blog/facts-about-importance-of-silver-in-technology/http://chemistry.about.com/od/10elementfacts/fl/10-Silver-Facts.htm

Discoverer

fun facts1. The word silver comes from the Anglo-Saxon word seolfor. There is no word that rhymes with the English word silver.2. Silver is exceptionally shiny! It is the most reflective element, which makes it useful in mirrors, telescopes, microscopes and solar cells. Polished silver reflects 95% of the visible light spectrum. However, silver is a poor reflector of ultraviolet light.

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