Gold Company Profile

Aggregated data from the web about Gold

Company Name	Gold
Website	https://www.kitco.com
Snippet	Live 24-hour Gold Price Spot Chart from New York, London, Hong Kong and Sydney. Gold Prices Updated Every Minute.
195Au	syn
196Au	syn
197Au	100%
198Au	syn
199Au	syn
Block	d-block
Group	group 11
Naming	from Latin aurum, meaning gold
P (Pa)	Vapor pressureP (Pa)1101001 k10 k100 kat T (K)164618142021228126203078
Period	period 6
at T (K)	1646
Discovery	In the Middle East (before 6000 BCE)
Isotope	IsotopeAbundanceHalf-life (t1/2)Decay modeProduct195Ausyn186.10 dε195Pt196Ausyn6.183 dε196Ptβ−196Hg197Au100%stable198Ausyn2.69517 dβ−198Hg199Ausyn3.169 dβ−199Hg
Appearance	metallic yellow
CAS Number	7440-57-5
Bulk modulus	180 GPa[4]
Phase at STP	solid
Atomic radius	empirical: 144 pm
Boiling point	3243 K (2970 °C, 5378 °F)
Melting point	1337.33 K (1064.18 °C, 1947.52 °F)
Mohs hardness	2.5
Poisson ratio	0.4
Shear modulus	27 GPa
Heat of fusion	12.55 kJ/mol
Covalent radius	136±6 pm
Young's modulus	79 GPa
Brinell hardness	188–245 MPa
Element category	Transition metal
Oxidation states	−3, −2, −1, +1, +2, +3, +5 (an amphoteric oxide)
Tensile strength	120 MPa
Vickers hardness	188–216 MPa
Atomic number (Z)	79
Crystal structure	face-centered cubic (fcc)
Electronegativity	Pauling scale: 2.54
Magnetic ordering	diamagnetic[2]
Thermal expansion	14.2 µm/(m·K) (at 25 °C)
Natural occurrence	primordial
Density (near r.t.)	19.30 g/cm3
Electrons per shell	2, 8, 18, 32, 18, 1
Ionization energies	1st: 890.1 kJ/mol, 2nd: 1980 kJ/mol,
Molar heat capacity	25.418 J/(mol·K)
Heat of vaporization	342 kJ/mol
Thermal conductivity	318 W/(m·K)
Van der Waals radius	166 pm
when liquid (at m.p.)	17.31 g/cm3
Electrical resistivity	22.14 nΩ·m (at 20 °C)
Electron configuration	[Xe] 4f14 5d10 6s1
Magnetic susceptibility	−28.0·10−6 cm3/mol (at 296 K)[3]
Speed of sound thin rod	2030 m/s (at r.t.)
Standard atomic weight.mw-parser-output .nobold{font-weight:normal} Ar, std(Au)	196.966570(4)[1]

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