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Ining articulu tungkul ya king the metal. Para the color, lon me ing Gold (color). Para aliwang gamit, lon me ing Gintû (disambiguation).
More information General, Physical properties ...
79 |
platinum ← gold → mercury |
Ag ↑ Au ↓ Rg |
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General |
Lagyu, Symbol, Numeru |
gold, Au, 79 |
Chemical series | transition metals |
Lupung, Period, Bloki |
11, 6, d |
Itsura | metallic yellow
 |
Standard atomic a timbang | 196.966569(4) g·mol−1 |
Electron configuration | [Xe] 4f14 5d10 6s1 |
Electrons balang shell | 2, 8, 18, 32, 18, 1 |
Physical properties |
Phase | solid |
Pangasiksik (near r.t.) | 19.3 g·cm−3 |
Liquid density at m.p. | 17.31 g·cm−3 |
Malalasong point | 1337.33 K (1064.18 °C, 1947.52 °F) |
Bubukal a point | 3129 K (2856 °C, 5173 °F) |
Heat of fusion | 12.55 kJ·mol−1 |
Heat of vaporization | 324 kJ·mol−1 |
Agiu king pali | (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 |
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Atomic properties |
Crystal pangatalakad | cubic face centered |
Oxidation states | −1, 1, 2, 3, 4, 5, 6, 7 (amphoteric oxide) |
Electronegativity | 2.54 (Pauling scale)
Template:Elementbox ionizationenergies2 |
Atomic radius | 135 pm |
Atomic radius (calc.) | 174 pm |
Covalent radius | 144 pm
Template:Elementbox vanderwaalsrad pm |
Dakal pang Aliwa |
Magnetic ordering | no data |
Electrical resistivity | (20 °C) 22.14 n Ω·m |
Thermal conductivity | (300 K) 318 W·m−1·K−1 |
Thermal expansion | (25 °C) 14.2 µm·m−1·K−1
Template:Elementbox speedofsound rodmpsatrt |
Young's modulus | 78 GPa |
Shear modulus | 27 GPa |
Bulk modulus | 220 GPa
Template:Elementbox poissonratio |
Mohs hardness | 2.5
Template:Elementbox vickershardness mpa |
Brinell a sias | ? 2450 MPa |
[[CAS talaan a numeru] | 7440-57-5 |
Mepiling isotopes |
Main article: Isotopes of gintû
iso |
NA |
kapitnang-bie |
DM |
DE (MeV) |
DP |
195Au |
syn |
186.10 d |
ε |
0.227 |
195Pt |
196Au |
syn |
6.183 d |
ε |
1.506 |
196Pt |
β- |
0.686 |
196Hg |
197Au |
100% |
Ing Au stable ya kambe ning 118 neutrons |
198Au |
syn |
2.69517 d |
β- |
1.372 |
198Hg |
199Au |
syn |
3.169 d |
β- |
0.453 |
199Hg |
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Dalerayan |
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