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Gold

Au Gold
79
196.96654
6
Symbol
Au
Atomic Number
79
Atomic Weight
196.96654
Element Classification
Discovered By
Known to the ancients.
Discovery Date
n/a (Unknown)
Name Origin
Anglo-Saxon: geolo (yellow), symbol from Latin: aurum (shining dawn).
Density (g/cc)
19.3
Melting Point (K)
1337.58
Boiling Point (K)
3080
Appearance
Soft, malleable, yellow metal
Atomic Radius (pm)
146
Atomic Volume (cc/mol)
10.2
Covalent Radius (pm)
134
Ionic Radius
85 (+3e) 137 (+1e)
Specific Heat
0.129
Fusion Heat (kJ/mol)
12.68
Evaporation Heat (kJ/mol)
~340
Thermal Conductivity (@25°C W/m K)
318
Debye Temperature (K)
170.00
Pauling Negativity Number
2.54
First Ionizing Energy (kJ/mol)
889.3
Oxidation States
3, 1
Electronic Configuration
[Xe] 4f14 5d10 6s1
Lattice Structure
Face-Centered Cubic(FCC)
Lattice Constant
4.080
Lattice C/A Ratio
n/a

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Gold

Columbia Encyclopedia

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