›› Physical and chemical properties of Copper

Atomic Number:29
Element Symbol:Cu
Element Name:Copper
Atomic Weight:63.546
Group Number:11
Group Name:Coinage metal
Period Number:4
Ground State Configuration:[Ar] 3d10 4s
Ground State Level:2S1/2
Standard State:Solid
Bond Length:255.6
Atomic Radius Empirical:135
Atomic Radius Calculated:145
Covalent Radius Empirical:138
Vander Waals Radius:140
Electron Affinity:118.4
First Ionization Energy:745.5
Pauling Electronegativity:1.90
Sanderson Electronegativity:1.98
Allred Rochow Electronegativity:1.75
Mulliken Jaffe Electronegativity:1.49
Density Of Solid:8920
Molar Volume:7.11
Velocity Of Sound:3570
Youngs Modulus:130
Rigidity Modulus:48
Bulk Modulus:140
Poissons Ratio:0.34
Mineral Hardness:3.0
Brinell Hardness:874
Vickers Hardness:369
Electrical Resistivity:1.7
Melting Point:1084.62
Boiling Point:2927
Thermal Conductivity:400
Coefficient Of Linear Expansion:16.5
Enthalpy Of Fusion:13.1
Enthalpy Of Vaporization:300
Enthalpy Of Atmization:338
Most Common Oxidation Numbers:2
Color:Copper, metallic
Discovered By:Known since ancient times
Discovered At:not known
Origin Of Name:From the Latin word cuprum meaning the island of Cyprus

Calculate the molecular weight of Copper or molecular weight Cu.

Also see the full list of chemical elements and atomic weights.

››Compounds that contain Copper

Copper(II) Sulfate  CuSO4
Copper Nitrate  Cu(NO3)2
Copper(II) Tetrafluoroborate  Cu(BF4)2
Copper(II) Borate  Cu(BO2)2
Copper(I) Bromide  CuBr
Copper(II) Bromide  CuBr2
Copper(II) Formate  Cu(CHO2)2
Copper(I) Cyanide  CuCN
Copper(II) Cyanide  Cu(CN)2
Copper(II) Acetylide  CuC2
Copper(I) Acetate  CuC2H3O2
Copper(II) Acetate  Cu(CH3CO2)2
Copper(II) Oxalate  CuC2O4
Copper(II) Stearate  Cu(C16H35O2)2
Copper(II) Oleate  Cu(C18H33O2)2
Copper(I) Chloride  CuCl
Copper(II) Perchlorate  Cu(ClO4)2
Copper(II) Chloride  CuCl2
Copper(II) Chloride Dihydrate  CuCl2.2H2O
Copper(II) Chromate  CuCrO4
Copper(I) Fluoride  CuF
Copper(II) Fluoride  CuF2
Copper(I) Hydride  CuH
Copper(II) Arsenite  CuHAsO3
Copper(I) Iodide  CuI
Copper(II) Molybdate  CuMoO4
Copper(I) Azide  CuN3
Copper(II) Azide  Cu(N3)2
Copper(II) Oxide  CuO
Copper(II) Hydroxide  Cu(OH)2
Copper(II) Sulfide  CuS
Copper(I) Thiocyanate  CuSCN
Copper(II) Selenide  CuSe
Copper(II) Telluride  CuTe
Copper(II) Tungstate  CuWO4
Copper(I) Acetylide  Cu2C2
Copper(II) Ferrocyanide  Cu2Fe(CN)6
Copper(I) Oxide  Cu2O
Copper(II) Pyrophosphate  Cu2P2O7
Copper(I) Sulfide  Cu2S
Copper(I) Selenide  Cu2Se
Copper(I) Telluride  Cu2Te
Copper(II) Arsenate  Cu3(AsO4)2
Copper(II) Carbonate  CuCO3