Template:Infobox copper: Difference between revisions

Copper, ₀₀Cu
	Native copper (~4 cm in size)
Copper
Appearance	metallic red/orange
Standard atomic weight Ar°(Cu)
	63.546±0.003; 63.546±0.003 (abridged);
Copper in the periodic table
	nickel ← copper → zinc
Group	group 11
Period	period 4
Block	d-block
Electron configuration	[Ar] 3d10 4s1
Electrons per shell	2, 8, 18, 1
Physical properties
Phase at STP	solid
Melting point	1357.77 K (1084.62 °C, 1984.32 °F)
Boiling point	2835 K (2567 °C, 4643 °F)
Density (near r.t.)	8.96 g/cm3
when liquid (at m.p.)	8.02 g/cm3
Heat of fusion	13.26 kJ/mol
Heat of vaporization	300.4 kJ/mol
Molar heat capacity	24.440 J/(mol·K)
Atomic properties
Oxidation states	common: +2; −2,? 0, +1, +3, +4
Electronegativity	Pauling scale: 1.90
Ionization energies	(more);
Atomic radius	empirical: 135 pm ; calculated: 145 pm
Covalent radius	138 pm
Van der Waals radius	140 pm
	Spectral lines of copper
Other properties
Natural occurrence	primordial
Crystal structure	face centered cubic 3.6149 Å [[File:face centered cubic 3.6149 Å\|frameless\|alt=Face centered cubic 3.6149 Å crystal structure for copper\|upright=0.23\|class=notpageimage]]
Thermal expansion	16.5 µm/(m⋅K) (at 25 °C)
Thermal conductivity	401 W/(m⋅K)
Electrical resistivity	16.78 n Ω⋅m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	110 - 128 GPa
Shear modulus	48 GPa
Speed of sound thin rod	(annealed); 3810 m/s (at r.t.)
CAS Number	7440-50-8
Symbol	"Cu": from Latin cuprum
Isotopes of copper v; e;
β−	64Zn
	Category: Copper; view; talk; edit; \| references

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Revision as of 20:33, 11 January 2008

^ "Standard Atomic Weights: Copper". CIAAW. 1969.
^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
^ Moret, Marc-Etienne; Zhang, Limei; Peters, Jonas C. (2013). "A Polar Copper–Boron One-Electron σ-Bond". J. Am. Chem. Soc. 135 (10): 3792–3795. doi:10.1021/ja4006578. PMID 23418750.
^ ^a ^b ^c Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 28. ISBN 978-0-08-037941-8.
^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.

@@ Line 24: / Line 24: @@
 |atomic mass comment=
 |electron configuration=&#91;[[argon|Ar]]&#93; 4s<sup>1</sup> 3d<sup>10</sup>
-|electrons per shell=2, 8, 8, 1
+|electrons per shell=2, 8, 18, 1
 |color=
 |phase=solid