Symbol | Te | Atomic radius: pm | 143 | Fusion: kJ/Mole | 17.49 |
Name | Tellurium | Ionic radius: pm | (-2)221 | Boiling point: °C | 988 |
Atomic number | 52 | Electron affinity | 1.97 | Melting point: °C | 450 |
Atomic weight | 127.6 | 1st ion potential | 9.01 | Specific Heat Cap: J/(g K) | 0.20 |
Classification | Metalloid | Natural form | Solid | Thermal Cond: W/(cm K) | 0.03 |
Configuration | Kr]4d105s2p4 | Crystal structure | Hex | Electrical Cond | 2x10-6 |
Oxidation states | +/-2,4,6 | Density | 6.24 | Abundance: mg/kg-crust | 0.001 |
Electronegativity | 2.10 | Vaporization: kJ/Mole | 114.1 | ||
Tellurium was discovered in 1728 by Franz Muller von Reichenstein. | Uses - semiconductors, steel, coloring of glass and ceramics, thermoelectric devices |