ag

Science Dictionary
Ag  
The symbol for silver.
American Heritage
Science Dictionary
silver   (sĭl'vər)  Pronunciation Key 
Symbol Ag
A soft, shiny, white metallic element that is found in many ores, especially together with copper, lead, and zinc. It conducts heat and electricity better than any other metal. Silver is used in photography and in making electrical circuits and conductors. Atomic number 47; atomic weight 107.868; melting point 960.8°C; boiling point 2,212°C; specific gravity 10.50; valence 1, 2. See also sterling silver. See Periodic Table. See Note at element.
The American Heritage® Science Dictionary
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