GOLD A gold nuggett Photo Courtesy of R. Weller, Cochise College

Atomic Number: 79
Mass Number: 169.97 g/mol
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s¹4f¹⁴5d¹⁰
Density: 19.28 g/cm³
Crystal Structure: Face-Centered Cubic
Melting Point: 1064^oC
Boiling Point: 2807^oC
Metallic Radius: 144 pm
Important Oxidation States: +1