| Boron | |
| Elemental State | B |
| Electron Configuration | 1s22s22p1 |
| First Ionization Potential | 8.298 eV |
| Electron Affinity | 0.277 eV |
| Z* | 2.421 (Clementi-Raimondi) |
| Pauling Electronegativity | 2.04 |
| Covalent Radius | 0.82 Å |
| Metallic Radius | |
| Ionic Radius | 0.15 Å B3+ coordination number
= 3
0.25 Å B3+ coordination number = 4 0.41 Å B3+ coordination number = 6 |
| van der Waal's Radius | |
| Melting Point | 2075 oC |
| Boiling Point | 4000 oC |
| Density | 2.34 g/cm3 |
| Other Properties | |