Functions like a hand cranked clothes ringer. A long-spindled motorized arbor using fine wire wheels rotating at slow speed, burnishing the surface of a metal object after soldering. Soapy water is used as a lubricant between the wheel and object. May also be used as a texturing wheel to soften the luster of metal. Silver I. Introduction Silver, symbol Ag, white, lustrous metallic element that conducts heat and electricity better than any other metal.
Silver is one of the transition elements of the periodic table.
The atomic number of silver is 47. Silver has been known and valued as an ornamental and coinage metal since ancient times. The alchemists called the metal Luna or Diana after the goddess of the moon and ascribed to it the symbol of a crescent moon. Properties With the exception of gold, silver is the most malleable and ductile of all metals. The atomic weight of silver is 107.868.