"PowerPoint Presentation - Elements Silver"
Elements: Silver By Renee Busch 7S The History of Silver • There is evidence that man first learnt to separate silver from lead in 3000 BC. • It has been used for jewellery and tableware since ancient time. Properties of Silver • Pure silver has the highest electrical and thermal conductivity of all of the metals. • It also has the lowest contact resistance. • It is a metal, shiny and conducts electricity. • Silver does not react. • Silver is a transition metal. • Transition metals have a higher density and boiling point than other metals. More information About Silver • Table of elements group number 11 • Melting point-96.93 degrees Celsius • Boiling point-2212 degrees Celsius • It’s atomic number is 47 • It is soft, ductile and tarnishes How Silver Got It’s Name • The name silver is derived from the Anglo-Saxon ‘seolfur’ which means silver. • The chemical symbol for Silver (Ag) comes from the Latin ‘Argentum’ which also means silver. • Different names for silver include: • French-argent • German-silber • Italian-argento • Latin-argentum • Spanish-plata Sources • www.sliverinstitute.org • www.chemicalelements.com