| Name | gold |
|---|---|
| Symbol | Au |
| Atomic Weight | 196.96655 |
| Atomic Number | 79 |
| CAS ID | 7440-57-5 |
| Group Number | 11 |
| Group Name | Coinage Metal |
| Period Number | 6 |
| Origin of Name | Anglo-Saxon, gold |
| Year Discovered | Prehistoric |
| Discovery Credits | Known to pre-historic humans |
| Class | Metallic |
| Color | gold |
| Standard State | Solid at 77 F & 298 K |
| Description | Soft metal with characteristic yellow color. Highest malleability and
ductility of any element. Unaffected by air, water, acids (except
HNO3-HCl), and alkalis. Used as bullion, in jewelry, electronics, and
glass. Diagnostic tests: |