Boron (B)
Boron is a metalloid essential for plant growth and used in heat-resistant glass and detergents.
Properties of Boron
- Atomic number
- 5
- Category
- Metalloid
- Atomic mass
- 10.81 u
- Electron configuration
- [He] 2s² 2p¹
- Melting point
- 2349 K (2075.85 °C)
- Boiling point
- 4200 K (3926.85 °C)
- Density
- 2.34 g/cm³
- Electronegativity (Pauling)
- 2.04
- Appearance
- Black-brown solid
- Discovered by
- Joseph Louis Gay-Lussac (1808)
Facts about Boron
- Boron is found in the borax that some people use to make slime!
- Boron is almost as hard as diamond!
- Plants need tiny amounts of boron to grow properly!
- Boron burns with a bright green flame!