|
|
|
|Physical
properties |
Atomic
properties |Selected
isotopes |
|
|
| General |
|
Name,
Symbol,
Number |
gold, Au, 79 |
|
Chemical series |
transition metals |
|
Group,
Period,
Block |
11,
6, d |
|
Appearance |
metallic yellow |
|
Standard atomic weight |
196.966569(4)
g·mol−1 |
|
Electron configuration |
[Xe]
4f14 5d10 6s1 |
|
Electrons per
shell |
2, 8, 18, 32, 18, 1 |
|
Physical
properties ↑ |
|
Phase |
solid |
|
Density (near
r.t.) |
19.3 g·cm−3 |
| Liquid
density
at
m.p. |
17.31 g·cm−3 |
|
Melting point |
1337.33 K
(1064.18 °C,
1947.52 °F) |
|
Boiling point |
3129 K
(2856 °C,
5173 °F) |
|
Heat of fusion |
12.55 kJ·mol−1 |
|
Heat of vaporization |
324 kJ·mol−1 |
|
Heat capacity |
(25 °C) 25.418 J·mol−1·K−1 |
|
Vapor pressure ↑ |
| P(Pa) |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T(K) |
1646 |
1814 |
2021 |
2281 |
2620 |
3078 |
|
|
Atomic
properties ↑ |
|
Crystal structure |
cubic face centered |
|
Oxidation states |
−1, 1, 2, 3, 4, 5, 6, 7
(amphoteric
oxide) |
|
Electronegativity |
2.54 (scale Pauling) |
|
Ionization energies |
1st: 890.1
kJ/mol |
| 2nd: 1980 kJ/mol |
|
Atomic radius |
135 pm |
| Atomic radius (calc.) |
174 pm |
|
Covalent radius |
144 pm |
|
Van der Waals radius |
166 pm |
|
Selected
isotopes ↑ |
|
|
Source:
http://en.wikipedia.org/wiki/Chemical_elements_data_references
|
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