| Element | Technetium |
| Symbol | Tc |
| Atomic Number | 43 |
| Molar Mass | 98.91 gmol-1 |
| Electron Configuration | [Kr]4d55s2 |
| Normal State | solid metal |
| Density @STP | 11.5 g cm-3 |
| Melting Point | 2157oC |
| Boiling Point | 4265oC |
| Stable Isotopes | none |
| Atomic Radius | 135 pm |
| Ionic Radius | 97 (4+) pm |
| Electronegativity (Pauling) | 1.9 |
| Ionization Energy (1st) | 702 kJ mol-1 |
| Ionization Energy (2nd) | 1472 kJ mol-1 |
| Ionization Energy (3rd) | 2850 kJ mol-1 |
| Molar Heat Capacity | 20.8 J K-1mol-1 |
| Standard Molar Entropy | 181.1 J K-1mol-1 |
| Enthalpy of Fusion | 23.81 kJ mol-1 |
| Enthalpy of Vapourization | 585.22 kJ mol-1 |
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