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Chemical element: Technetium (Tc)
| Atomic Number: | 43 |
| Element Symbol: | Tc |
| Element Name: | Technetium |
| Atomic Weight: | 98 |
| Group Number: | 7 |
| Group Name: | none |
| Period Number: | 5 |
| Block: | d-block |
| Ground State Configuration: | [Kr] 4d5 5s2 |
| Ground State Level: | 6S5/2 |
| Standard State: | Artificially prepared |
| Bond Length: | 270.3 |
| Atomic Radius Empirical: | 135 |
| Atomic Radius Calculated: | 183 |
| Covalent Radius Empirical: | 156 |
| Electron Affinity: | 53 |
| First Ionization Energy: | 702 |
| Pauling Electronegativity: | 1.9 |
| Allred Rochow Electronegativity: | 1.36 |
| Density Of Solid: | 11500 |
| Molar Volume: | 8.63 |
| Electrical Resistivity: | 20 |
| Melting Point: | 2157 |
| Boiling Point: | 4265 |
| Superconduction Temperature: | -265.3 |
| Thermal Conductivity: | 51 |
| Enthalpy Of Fusion: | 23 |
| Enthalpy Of Vaporization: | 550 |
| Enthalpy Of Atmization: | 661 |
| Most Common Oxidation Numbers: | 7,4 |
| Color: | Silvery grey metallic |
| Classification: | Metallic |
| Discovered By: | Carlo Perrier, Emilio Segre |
| Discovered At: | Italy |
| Discovered When: | 1937 |
| Origin Of Name: | From the Greek word technikos meaning artificial |
Calculate the molecular weight of Technetium or molecular weight Tc.
Also see the full list of chemical elements and atomic weights.
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