Atomic number: 29
Category: transition metal
Density at 25°C: solid: 8.96 g·cm−3
Copper is an element known even to the ancients. It is relatively easy to purify and presents with a shiny orange appearance. It is also a critical trace element required in almost all life. But mostly it is valued in bulk for it's building and conducting properties.
Use, natural applications or common combinations:
- Life essential as part of enzyme complex cytochrome c oxidase.
- Building, pots pans
- Standard atomic weight: 63.546(3)
- Melting point: 1084.62 °C
- Boiling point: 2562 °C
- Radioactivity: almost all stable naturally