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| 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
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| 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 |
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Discoverer
This element has been known since ancient times. The particular discoverer is not known.
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