Polonium
Electron Configuration
|
General Properties
| Atomic Symbol | Po |
| Atomic Weight | 210.00 g/mol |
| Element Number | 84 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1898 |
| Discoverer | Marie Curie |
Physical Properties
| Oxidation States | 4, 2,6 |
| Boiling Point | 1235.15 K |
| Melting Point | 527 K |
| Density | 9.3 g/cm³ |
| Electron Configuration | [Xe]4f14,5d10,6s2,p4 |
| Acid/Base Properties | Amphoteric |
| Crystal Structure | Monoclinic |
| Electronegativity | 2.0 |
| Heat of Vaporization | 120 kJ/mol |
| Heat of Fusion | 13 kJ/mol |
| Electrical Conductivity | 0.7 10^6omg-¹cm-¹ |
| Thermal Conductivity | 20 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | -- |
| First Ionization Potential | 8.42 |
| Atomic Volume | 22.70 cm³/mol |
| Atomic Radius | 1.67 Å |
| Covalent Radius | 1.53 Å |
| Synthetic | No |