Basic Properties of Gold


Atomic weight 196.97
Atomic number  79
Number of naturally occurring isotopes  1
Melting point (degrees centigrade)  1,064
Crystal structure FCC
Density (grams per cubic centimeter) 19.3
Thermal conductivity

(watts per meter per kelvin)

Electrical resistivity

(micro-ohm per meter

at 20 degrees centigrade)

Young’s modulus (giga pascals) 79
Hardness (Hv) 25
Tensile stress (mega pascal) 124
0.2 % proof stress (mega pascal)  30
Poissons ratio 0.42

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