The element your eyes need to work and photocopiers needed to exist.
- Atomic number
- 34
- Atomic mass
- 78.971 u
- Phase
- Solid
- Electron configuration
- [Ar] 3d¹⁰ 4s² 4p⁴
- Melting point
- 494 K · 220.9 °C
- Boiling point
- 958 K · 684.9 °C
- Density
- 4.81 g/cm³
- Electronegativity
- 2.55
- Period / Group
- 4 / 16
- Discovery year
- 1817