Template:Infobox gold

[[Category:Template:Pagetype with short description]]

Gold, ₇₉Au

Gold
Appearance	metallic yellow
Standard atomic weight Ar, std(Au)	Template:Val
Gold in the periodic table
Template:Periodic table (32 columns, micro) Ag ↑ Au ↓ Rg platinum ← gold → mercury
Atomic number (Z)	79
Group	group 11
Period	period 6
Block	d-block
Electron configuration	[Xe] 4f14 5d10 6s1
Electrons per shell	2, 8, 18, 32, 18, 1
Physical properties
Phase at STP	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 P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 1646 1814 2021 2281 2620 3078
Atomic properties
Oxidation states	−3, −2, −1, 0, +1, +2, +3, +5 (an amphoteric oxide)
Electronegativity	Pauling scale: 2.54
Ionization energies	1st: 890.1 kJ/mol 2nd: 1980 kJ/mol
Atomic radius	empirical: 144 pm
Covalent radius	136±6 pm
Van der Waals radius	166 pm
Spectral lines of gold
Other properties
Natural occurrence	primordial
Crystal structure	​face-centered cubic (fcc)
Speed of sound thin rod	2030 m/s (at r.t.)
Thermal expansion	14.2 µm/(m·K) (at 25 °C)
Thermal conductivity	318 W/(m·K)
Electrical resistivity	22.14 nΩ·m (at 20 °C)
Magnetic ordering	diamagnetic
Magnetic susceptibility	−28.0·10−6 cm3/mol (at 296 K)
Tensile strength	120 MPa
Young's modulus	79 GPa
Shear modulus	27 GPa
Bulk modulus	180 GPa
Poisson ratio	0.4
Mohs hardness	2.5
Vickers hardness	188–216 MPa
Brinell hardness	188–245 MPa
CAS Number	7440-57-5
History
Naming	from Latin aurum, meaning gold
Discovery	In the Middle East (before 6000 BCE)
Main isotopes of gold
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]] 195Au syn 186.10 d ε 195Pt 196Au syn 6.183 d ε 196Pt β− 196Hg 197Au 100% stable 198Au syn 2.69517 d β− 198Hg 199Au syn 3.169 d β− 199Hg

[[Category:Infobox templates|Template:Remove first word]]

Au Template:Wikidata data m.p. cat
	in	calc from C	diff	report	ref
C	1064.18	—	—
K	1337.33	1337.33	0
F	1947.52	1947.52	0		Template:Subpage other
max precision	2
WD	Template:Wikidata				Template:Wikidata
input	C: 1064.18, K: 1337.33, F: 1947.52
comment

Au Template:Wikidata data b.p. cat
	in	calc from C	diff	report	ref
C	2970	—	—
K	3243	3240	3
F	5378	5380	-2		Template:Subpage other
max precision	0
WD	Template:Wikidata				Template:Wikidata
input	C: 2970, K: 3243, F: 5378
comment

PTGold

Pt ← i'box Pt	iso 79Au () infobox () isobox	→ Hg i'box Hg
Commons  Wikidata:Q897  Wiktionary Indexes in PT: § below · Page

Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03) See also {{Infobox element/symbol-to--navbox}}

References

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