| Atomic Number: | 29 |
| Element Symbol: | Cu |
| Element Name: | Copper |
| Atomic Weight: | 63.546 |
| Group Number: | 11 |
| Group Name: | Coinage metal |
| Period Number: | 4 |
| Block: | d-block |
| 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 |
| Reflectivity: | 90 |
| 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 |
| Classification: | 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.