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Chemical element: Tellurium (Te)
| Atomic Number: | 52 |
| Element Symbol: | Te |
| Element Name: | Tellurium |
| Atomic Weight: | 127.60 |
| Group Number: | 16 |
| Group Name: | Chalcogen |
| Period Number: | 5 |
| Block: | p-block |
| Ground State Configuration: | [Kr] 4d10 5s2 5p4 |
| Ground State Level: | 3P2 |
| Standard State: | Solid |
| Common Valences: | 2,4,6 |
| Bond Length: | 286.4 |
| Atomic Radius Empirical: | 140 |
| Atomic Radius Calculated: | 123 |
| Covalent Radius Empirical: | 135 |
| Vander Waals Radius: | 206 |
| Electron Affinity: | 190.2 |
| First Ionization Energy: | 869.3 |
| Pauling Electronegativity: | 2.1 |
| Sanderson Electronegativity: | 2.62 |
| Allred Rochow Electronegativity: | 2.01 |
| Mulliken Jaffe Electronegativity: | 2.41 |
| Allen Electronegativity: | 2.158 |
| Density Of Solid: | 6240 |
| Molar Volume: | 20.46 |
| Velocity Of Sound: | 2610 |
| Youngs Modulus: | 43 |
| Rigidity Modulus: | 16 |
| Bulk Modulus: | 65 |
| Mineral Hardness: | 2.25 |
| Brinell Hardness: | 180 |
| Electrical Resistivity: | about 10000 |
| Reflectivity: | 50 |
| Refractive Index: | 1.000991 |
| Melting Point: | 449.51 |
| Boiling Point: | 988 |
| Thermal Conductivity: | 3 |
| Enthalpy Of Fusion: | 17.5 |
| Enthalpy Of Vaporization: | 48 |
| Enthalpy Of Atmization: | 197 |
| Most Common Oxidation Numbers: | 6,4,2,-2 |
| Color: | Silvery lustrous grey |
| Classification: | Semi-metallic |
| Discovered By: | Franz Joseph Muller von Reichstein |
| Discovered At: | Romania |
| Discovered When: | 1783 |
| Origin Of Name: | From the Latin word tellus meaning earth |
Calculate the molecular weight of Tellurium or molecular weight Te.
Also see the full list of chemical elements and atomic weights.
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