Technetium
Electron Configuration
|
General Properties
| Atomic Symbol | Tc |
| Atomic Weight | 98 (iso.) g/mol |
| Element Number | 43 |
| Standard State | Solid |
| Standard Type | Strongly Basic |
| Date of Discovery | 1937 |
| Discoverer | Perrier & Segré |
Physical Properties
| Oxidation States | 7 |
| Boiling Point | 4538 K |
| Melting Point | 2477 K |
| Density | 11.5 g/cm³ |
| Electron Configuration | [Kr]4d5,5s2 |
| Acid/Base Properties | Acidic |
| Crystal Structure | Hexagonal |
| Electronegativity | 1.9 |
| Heat of Vaporization | 502.0 kJ/mol |
| Heat of Fusion | 23 kJ/mol |
| Electrical Conductivity | 0.001 10^6omg-¹cm-¹ |
| Thermal Conductivity | 50.6 Wm-¹K-¹ (at 300 K) |
| Specific Heat Capacity | 0.24 Jg-¹K-¹ (at 300 K) |
| First Ionization Potential | 7.28 |
| Atomic Volume | 8.5 cm³/mol |
| Atomic Radius | 1.36 Å |
| Covalent Radius | 1.27 Å |
| Synthetic | Yes |