Element Name |
Gold |
Chemical Symbol |
Au |
Atomic Number |
79 |
Atomic Weight |
196.966569 u |
Appearance |
Metallic yellow |
Density |
19.32 g/cm³ at 20°C |
Melting Point |
1,064 °C (1,947 °F) |
Boiling Point |
2,856 °C (5,173 °F) |
Electrical Conductivity |
Excellent conductor of electricity |
Thermal Conductivity |
318 W/m·K |
Mohs Hardness |
2.5–3 |
Crystal Structure |
Face-centered cubic (FCC) |
Ductility and Malleability |
Highly ductile and malleable |
Color |
Distinctive bright yellow |
Specific Heat Capacity |
0.129 J/g·K |
Refractive Index |
~0.47 (at visible wavelengths) |