| Cu | Copper | Transition Metal |
| Atomic number: | 29 | Atomic weight: | 63.546 | ||
| Shells: | 2,8,18,1 | Orbitals: | [Ar] 3d10 4s1 | ||
| Melting point: | 1083°C | Boiling point: | 2567°C | ||
| Covalent radius: | 1.17 | Å | Atomic volume: | 7.1 | cm³/mol |
| Atomic radius: | 1.57 | Å | Ionic radius: | .73 (+2) | Å |
| Electronegativity: | 1.90 | Oxidation states: | (2),1 | ||
| 1st ionization pot.: | 7.7264 | V | 2nd ionization pot.: | 20.292 | V |
| 3rd ionization pot.: | 36.83 | V | Specific heat: | 0.38 | J/gK |
| Heat of fusion: | 13.050 | kJ/mol | Heat of vapor.: | 300.30 | kJ/mol |
| Thermal conduct.: | 4.01 | W/cmK | Electrical conduct.: | 0.596 | 10^6/cm ohm |
| Density: | 8.96 | g/cm³ | Valence: | 1,2 |