Au |
金、Gold |
原子序数 |
Atomic number |
|
79 |
原子量 |
Atomic weight |
|
196.966569 |
同位素 |
Isotope |
|
197Au |
结晶构造 |
Crystal Structure |
|
fcc |
金属特征 |
Metallicity |
|
Trans.Metal |
壳构造 |
Shell |
|
2,8,18,32,18,1 |
占有轨域 |
Filling Orbital |
|
5d10 |
氧化态 |
Oxidation States |
|
3,1 |
原子半径 |
Atomic Radius |
Å |
1.44 |
共价半径 |
Covalent Radius |
Å |
1.34 |
原子体积 |
Atomic Volume |
cm3/mol |
10.2 |
密度(293K) |
Density at 293K |
g/cm3 |
19.32 |
熔点 |
Melting Point |
℃ |
1064.18 |
沸点 |
Boiling Point |
℃ |
2857 |
热比 |
Specific Heat |
J/gK |
0.128 |
融化热 |
Heat of Fusion |
kJ/mol |
12.55 |
汽化热 |
Heat of Vaporization |
kJ/mol |
334.40 |
热导率(273K) |
Thermal Conductivity at 273K |
W/cmK |
319 |
电阻率(273K) |
Specific Resistance at 273K |
10-6 Ωcm |
2.05 |
热膨胀系数(293K) |
Coefficient of Linear expansion at 293K |
10-6 K-1 |
14.2 |
第1游离电位 |
Ionization Potential |
V |
9.22553 |
第2游离电位 |
2nd Ionization Potential |
V |
20.20 |
电子亲和力 |
Electron Affinity |
eV |
2.30863 |
电负度 |
Electronegativity |
|
2.4 |
发现年 |
Discovery |
year |
Ancient |