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Template:Infobox copper - Wikipedia, the free encyclopedia

Template:Infobox copper

From Wikipedia, the free encyclopedia

29 nickelcopperzinc
-

Cu

Ag
General
Name, symbol, number copper, Cu, 29
Chemical series transition metals
Group, period, block 114, d
Appearance metallic bronze
Standard atomic weight 63.546(3)g·mol−1
Electron configuration [Ar] 3d10 4s1
Electrons per shell 2, 8, 18, 1
Physical properties
Phase solid
Density (near r.t.) 8.96 g·cm−3
Liquid density at m.p. 8.02 g·cm−3
Melting point 1357.77 K
(1084.62 °C, 1984.32 °F)
Boiling point 2835 K
(2562 °C, 4643 °F)
Heat of fusion 13.26 kJ·mol−1
Heat of vaporization 300.4 kJ·mol−1
Specific heat capacity (25 °C) 24.440 J·mol−1·K−1
Vapor pressure
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 1509 1661 1850 2089 2404 2836
Atomic properties
Crystal structure face centered cubic
0.3610 nm
Oxidation states +1, +2, +3, +4
(mildly basic oxide)
Electronegativity 1.90 (Pauling scale)
Ionization energies
(more)
1st: 745.5 kJ·mol−1
2nd: 1957.9 kJ·mol−1
3rd: 3555 kJ·mol−1
Atomic radius 128 pm
Atomic radius (calc.) 145 pm
Covalent radius 138 pm
Van der Waals radius 140 pm
Miscellaneous
Magnetic ordering diamagnetic
Electrical resistivity (20 °C) 16.78 nΩ·m
Thermal conductivity (300 K) 401 W·m−1·K−1
Thermal expansion (25 °C) 16.5 µm·m−1·K−1
Speed of sound (thin rod) (r.t.) (annealed)
3810 m·s−1
Young's modulus 110 - 128 GPa
Shear modulus 48 GPa
Bulk modulus 140 GPa
Poisson ratio 0.34
Mohs hardness 3.0
Vickers hardness 369 MPa
Brinell hardness 874 MPa
CAS registry number 7440-50-8
Selected isotopes
Main article: Isotopes of copper
iso NA half-life DM DE (MeV) DP
63Cu 69.15% 63Cu is stable with 34 neutrons
65Cu 30.85% 65Cu is stable with 36 neutrons
References
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