Beryllium
Electron Configuration
|
General Properties
| Atomic Symbol | Be |
| Atomic Weight | 9.01218 g/mol |
| Element Number | 4 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1798 |
| Discoverer | Vauquelin |
Physical Properties
| Oxidation States | 2 |
| Boiling Point | 3243 K |
| Melting Point | 1560 K |
| Density | 1.85 g/cm³ |
| Electron Configuration | 1s2,2s2 |
| Acid/Base Properties | Amphoteric |
| Crystal Structure | Hexagonal |
| Electronegativity | 1.57 |
| Heat of Vaporization | 297 kJ/mol |
| Heat of Fusion | 11.71 kJ/mol |
| Electrical Conductivity | 25 10^6omg-¹cm-¹ |
| Thermal Conductivity | 200 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 1.825 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 9.322 |
| Atomic Volume | 5.0 cm³/mol |
| Atomic Radius | 1.12 Å |
| Covalent Radius | 0.90 Å |
| Synthetic | No |