Gold - Au

Atomic Number 79     Atomic Mass 196.966543     Density 19.31 g/mL

State solid     Color yellow     Electronegativity 2

Melting Point 1064.43°C     Boiling Point 3080°C

Natural Isotope Au-197 100%

Abbreviated Electron Configuration [Xe] 4f14 5d10 6s1

Known since BC