| Property | Value |
|---|---|
| Atomic number | 79 |
| Atomic weight | 196.9665694 amu |
| Element family | Transition metals |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 197Au: 100% |
| Previous element | Platinum |
| Next element | Mercury |
| Density | 19.282 g/cm3 (STP) |
| Melting | 1064.58 °C |
| Boiling | 2940 °C |
| Covalent radius | 1.24 Å |
| Van der Waals radius | 1.66 Å |
| Ionic radius | 0.85 Å |
| Metallic radius | 1.44 Å |
| First ionization potential | 9.225 eV |
| Electron affinity | 2.309 eV |
| Electronegativity | 2.54 |
| Discovery year | 6000 BC |
Gold is an element number 79 from transition metals family. Its symbol is Au. Gold atomic weight is 196.9665694 amu. Au stable and long lived isotopes are 197Au: 100%. Gold electronic configuration is 1s22s22p63s23p63d104s24p64d104f145s25p66s15d10. Sample compounds that contain Gold are AuCl3, HAuCl4, Au(OH)3, AuCl, NaAuCl4, Au2O3.
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