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Te   -   Tellurium (52/127.6)

Material List
  • Naturally occurring isotopes: 130 128 126 125 124 122 123
  • Density: 6.24 (293.15K) g/cm3
  • Melting point: 449.5 ± 0.3 oC
  • Boiling point: 989.8 ± 3.8 oC
  • Latent heat of fusion: 137.2 J/g
  • Specific heat: 0.202 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 1.68E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 3.38E-02 W/cm/K (at room temp.)
  • Electrical resistivity: 4.36E+00 hm-cm (at room temp.)
  • lonization potential (1st): 0.009 eV
  • Electronic work function Φ: 4.95
  • Oxidation potentials: Te + 2H2O → TeO2 + 4H+ + 4e = -0.529 V
  • Chemical valence: -2 2 4 6
  • Electrochemical equivalents: 1.1902 g/amp-hr
  • lonic radius: 0.97 (Te4+) angstrom
  • Valence electron potential: 59 -eV
  • Principal quantum number: 5
  • Principal electron shells: K L M N O
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4
  • Valence electrons: 5s2 5p4
  • Crystal form: Hexagonal
  • Half life:
  • Cross section σ: 4.7 ± 0.1 barns
  • Vapor pressure: 2.31E+01 Pa (at melting point)