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I   -   Iodine (53/126.905)

Material List
  • Naturally occurring isotopes: 127
  • Density: 4.93 (293.15K) g/cm3
  • Melting point: 113.5 oC
  • Boiling point: 184.35 oC
  • Latent heat of fusion: 124.4 J/g
  • Specific heat: 0.21448 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 9.30E-05 cm/cm/K (at room temp.)
  • Thermal conductivity: 4.49E+00 W/cm/K (at room temp.)
  • Electrical resistivity: 1.30E+09 hm-cm (at room temp.)
  • lonization potential (1st): 10.451 eV
  • Electronic work function Φ:
  • Oxidation potentials: I- → ½I2 + e = -0.5355 V
  • Chemical valence: -1 3 5 7
  • Electrochemical equivalents: 4.7348 g/amp-hr
  • lonic radius: 2.2 angstrom
  • Valence electron potential: -6.55 -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 5p5
  • Valence electrons: 5s2 5p5
  • Crystal form: Orthorhombic
  • Half life:
  • Cross section σ: 6.2 ± 0.2 barns
  • Vapor pressure: Pa (at melting point)