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Br   -   Bromine (35/79.904)

Material List
  • Naturally occurring isotopes: 79 81
  • Density: 3.1028 (293.15K) g/cm3
  • Melting point: -7.8 oC
  • Boiling point: 58.78 oC
  • Latent heat of fusion: 132 J/g
  • Specific heat: 0.47362 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: cm/cm/K (at room temp.)
  • Thermal conductivity: 1.22E+00 W/cm/K (at room temp.)
  • Electrical resistivity: 7.80E+12 hm-cm (at room temp.)
  • lonization potential (1st): 11.814 eV
  • Electronic work function Φ:
  • Oxidation potentials: 2Br- → Br2 + 2e = -1.0652 V
  • Chemical valence: -1 3 5 7
  • Electrochemical equivalents: 2.9812 g/amp-hr
  • lonic radius: 1.96 angstrom
  • Valence electron potential: -7.35 -eV
  • Principal quantum number: 4
  • Principal electron shells: K L M N
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
  • Valence electrons: 4s2 4p5
  • Crystal form: Orthorhombic Rhombic
  • Half life:
  • Cross section σ: 6.8 ± 0.1 barns
  • Vapor pressure: Pa (at melting point)