Elements / 29
29Cu63.546
Copper
Transition metal · d-block · ring N · spoke 11
Copper is element 29, a transition metal. It sits on ring N (period 4) on spoke 11. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 8.96 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 1,358 K · 1,085 °C | Terrain → |
| Boiling point | 2,835 K · 2,562 °C | Terrain → |
| Electronegativity | 1.90 | Terrain → |
| First ionization energy | 746 kJ/mol | Terrain → |
| Atomic weight | 63.5463 u | Terrain → |
| Crustal abundance | 60 ppm | Terrain → |
| Discovered | Known since antiquity | Terrain → |
Values from open reference data; see sources. "Terrain" opens that property as a 3D landscape across the whole spiral.
Two things you might not know
- Otzi the Iceman, dated to about 3300 BC, carried an axe whose blade is 99.7% this metal, from ore mined in South Tuscany.
- Its name comes from the Latin for metal of Cyprus. About 60% of it goes into electrical wire, and it turns green with age.
Checked against en.wikipedia.org, iceman.it.
Spoke 11
Ring N (period 4)
Play with Copper
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.