Boron
| Basic Information | Crystal Structure | Isotope | Facts | Related Links |
| Symbol: | B |
| Atomic Number: | 5 |
| Atomic weight: | 10.81u |
| Melting Point: | 2300K |
| Boiling Point: | 4275K |
| Number of Protons/Electrons: | 5 |
| Number of Neutrons: | 6 |
| Classification: | Metalloid |
| Crystal Structure: | Rhombohedral |
| Density | 2.34g/mL |
| Color: | brownish |
| Bonding radius: | 0.82A |
| Atomic radius: | 1.17A |
| Ionization Potential: | 8.298V |
| Electronegativity: | 2.04 |
| Heat of vaporization: | 489.7kJ/mol |
| Heat of fusion: | 50.2kJ/mol |
| Specific heat: | 1.02J/gK |
| Electron configuration: | 1s22s22p1 |
Crystal Structure
| Isotope | Half Life |
| B10 | Stable |
| B11 | Stable |
| Date of Discovery: | 1808 |
| Discoverer: | Sir Humphry Davy, J.L |
| Uses: | heat resistant alloys |
| Obtained From: | kernite |