Periodic Table of the Elements: Copper
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 29 |
| Atomic Symbol: | Cu |
| Coppercopper, metallic chemical element; symbol Cu [Lat. cuprum=copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4°C;; b.p. 2,567°C;; sp. gr. 8.96 at 20°C;; valence +1 or +2. Copper and some of its alloys have been used by humanity since the Bronze Age. ..... Click the link for more information. | |
| Atomic Weight: | 63.546 |
| Electron Configuration: | 2 · 8 · 18 · 1 |