(From the
Old English gold) A heavy, yellow,
inert,
metallic chemical element that is highly
ductile and highly malleable. It is a
precious metal and is used in the manufacture of
coins,
jewelry,
alloys, etc.
Symbol: Au
Atomic number: 79
Atomic weight: 196.96655
Density (at room temperature and pressure): 19.3 g/cc
Melting point: 937.4°C
Boiling point: 1,064°C
Valence: +1, +3
Ground state electron configuration: [Xe]4f145d106s1