Gold (Au)

Gold (Au)

Atomic Number: 79
Atomic Weight: 196.97
Melting Point: 1064.43
Boiling Point: 2807
Specific Gravity: 19.32
Valence(s): 1 or 3

The beauty and value of Gold has been known since ancient times. Gold is found as a native Element, but is also present with quartz or pyrite. It is used for jewellery, wiring to conduct heat and electricity and coinage. The term carat expresses the amount of Gold present when Gold is mixed with other metals. 24 carats is pure Gold. [LM] {RW}