A metalloid of extremes: harder than most metals, essential to plants, and the element that makes borosilicate glass survive a flame.
- Atomic number
- 5
- Atomic mass
- 10.81 u
- Phase
- Solid
- Electron configuration
- [He] 2s² 2p¹
- Melting point
- 2,348 K · 2,074.9 °C
- Boiling point
- 4,273 K · 3,999.9 °C
- Density
- 2.37 g/cm³
- Electronegativity
- 2.04
- Period / Group
- 2 / 13
- Discovery year
- 1808