Groupe Kitangi, SARL.( GK SARL)

Gold

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)
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