| name | Copper |
| latin | Cuprum |
| french | Cuivre |
| german | Kupfer |
| symbol | Cu |
| proton number | 29 |
| atomic weight | 63.546 |
| Pauling electronegativity | 1.9 |
| electronic configuration | [Ar] 3d104s1 1s22s22p63s23p63d104s1 |
| melting point | 1357.77 K, 1084.62°C, 1984.32°F |
| boiling point | 3200 K, 2927°C, 5300°F |
| group | 11 |
| period | 4 |
| state (by 20°C) | solid |
| oxidation states | +1, +2 |
This element has been known since ancient times. The particular discoverer is not known.