Cu
Copper
Element 29 · Transition metal · Period 4, Group 11
Solid · Discovered Ancient
Atomic Properties
| Atomic Number | 29 |
| Atomic Mass | 63.55u |
| Electron Configuration | [Ar]4s1 3d10 |
| Electronegativity | 1.9Pauling |
| Atomic Radius | 140pm |
| Ionization Energy | 7.726eV |
| Electron Affinity | 1.228eV |
| Oxidation States | +2, +1 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1357.77K |
| Boiling Point | 2835K |
| Density | 8.933g/cm³ |
| Group Block | Transition metal |
| Year Discovered | Ancient |