Au
Gold
Z 79 196.967 g/molTransition Metal
Nucleus
79 Protons
118 Neutrons
79 Electrons (1 Valence)
Shell distribution: K2 • L8 • M18 • N32 • O18 • P1 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[Xe]4f145d106s1
Radii
Empirical
135 pm1.35 Å
Calculated
174 pm1.74 Å
Covalent
136±6 pm1.36±0.06 Å
van Der Waals
166 pm1.66 Å
Oxidation States
CommonRare
-3
-2
-1
0
0
+1
+2
+3
+5
Crystal Structure
Use the arrow keys to rotate, hold Shift with the left and right arrows to roll, and press Home to reset the view.
Face-centered Cubic