Silver
Atomic Number:47
Atomic Weight: 107.8682
Melting Point: 1234.93K (961.78C)
Boiling Point: 2435K (2162C)
Density: 10.501 grams per cubic centimetre
Phase At Room Temperature: Solid
Element Classification: Transition Metal
Period Number: 5
Group Number: 11
Origin-:
The word silver derives from the Anglo-Saxon word seolfor. Silvers chemical symbol comes from the Latin word for silver, argentum.
History and Uses-:
Silver has been in use for over 5,000 years. Silver is obtained from pure deposits, silver ores such as argentite and horn silver. The Symbols for these are Ag2s for argentite and AgCI for horn silver. Some of the uses for silver are thing like Conductors for heat and electricity for all metals. Silver is used in making solder, electrical contacts and printed circuit boards. Silver also is a good reflector of light, silver mirrors are also used but they must be coated in order to stop tarnishing. Silver coins also used to be used in the ancient world but has been stoped today.
A cordwood module.
PCB with testpads
표면실장 부품Silver is also used in the making of jewellery, cutlery, and decorative. Silver is also in batteries. Silver Nitrate (agNO3) is used in photo films. Silver Iodide (AgI) is used to see clouds to predict rain.
Silver iodide
Jodid stříbrný - AgI
Sulfid stříbrný - Ag2S