Silver

From Anvita Health Wiki

Contents 1 Introduction 2 Occurrence 3 Characteristics 4 Uses 5 More General Terms 6 Additional Terms 7 Internet Database 8 References

Introduction

• From the Anglo-Saxon seolfor meaning silver. The symbol ( Ag) is from the Latin word for silver, argentum. Silver was separated from lead as early as 3000 BC.

Occurrence

• ores argenite & horn silver
• occurs in association with ores containing lead, copper & gold

Characteristics

• a white metallic element
• sonorous, ductile, very malleable
• capable of a high degree of polish
• univalent in compounds (Ag+)
• has the highest thermal & electrical conductivity of any substance
• has the lowest contact resistance of all metals

Uses

• photographic film
• tooth fillings
• silverware
• mirrors
• batteries
• photosensitive glass
• electrical conductor
• AgI is used for seeding clouds to produce rain

More General Terms

• chemical element
• metal

Additional Terms

• Ag+
• periodic table

Internet Database

PubChem: 23954
PubChem: 104755

References

1. Webster's Ninth New Collegiate Dictionary, Miriam- Webster Inc. Springfield, MA 1990
2. Chemical & Engineering News, Sept 8, 2003

silver [Ag]