The periodic Table
coloured by Discovery
coloured by States
Constants, Astronomy
Constants, Physics
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by Peder Axensten

Au


in WebElements
in X-Ray info 		Au, 79
gold (English)
or, m. (French)
Gold, n. (German)
zoloto (Russian)
oro (Spanish)
guld (Swedish)

Symbol, numberAu, 79 (metal), Group: 11; 1B
Weight196.96654
In Nature
Discoveredprehist.
Density  [kg/m3]19320 [293 K] (solid)   17280 [1338 K] (liquid)   
Molar volume10.19 cm3
Melting Temperature1337.58 K   (1064.58 °C)   Enthalpy: 324.4 kJ/mol
Boiling Temperature3080 K   (2807 °C)   Enthalpy: 12.7 kJ/mol
Electrical resistance2.35E-8 [293 K] Wm
ThermalConductivity: 317 [300 K] W/Km     Expansion: 14.16E-6 /K
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State DfH° DfG° S° CpH H°298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Au