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Gold, 79Au
 |
| General properties |
| Name, symbol
|
gold, Au |
| Pronunciation |
GOHLD
|
| Appearance |
metallic yellow |
|
| Gold in the periodic table
|
|
|
| Atomic number (Z) |
79 |
|
Group, block
|
group 11, d-block
|
| Period |
period 6 |
| Element category |
transition metal
|
|
Standard atomic weight (Ar)
|
7002196966569000000♠196.966569(5) |
| Electron configuration |
[Xe] 4f14 5d10 6s1
|
|
Electrons per shell
|
2, 8, 18, 32, 18, 1 |
| Physical properties |
| Phase |
solid |
| Melting point |
1337.33 K (1064.18 °C, 1947.52 °F) |
| Boiling point |
3243 K (2970 °C, 5378 °F) |
|
Density near r.t.
|
19.30 g/cm3
|
| when liquid, at m.p. |
17.31 g/cm3
|
| Heat of fusion |
12.55 kJ/mol
|
| Heat of vaporization |
342 kJ/mol |
| Molar heat capacity |
25.418 J/(mol·K) |
|
Vapor pressure
|
