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As   -   Arsenic (33/74.9216)

Material List
  • Naturally occurring isotopes: 75
  • Density: 5.73 (gray)(293.15K) g/cm3
  • Melting point: 817 oC
  • Boiling point: 613 (sublimes) oC
  • Latent heat of fusion: 369.9 J/g
  • Specific heat: 0.329 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: 6.02E-06 cm/cm/K (at room temp.)
  • Thermal conductivity: 5.02E-01 W/cm/K (at room temp.)
  • Electrical resistivity: 3.50E-05 hm-cm (at room temp.)
  • lonization potential (1st): 9.81 eV
  • Electronic work function Φ: 3.75
  • Oxidation potentials: As + 2H2O → HAsO2 + 3H+ + 3e = -0.2476 V
  • Chemical valence: -3 0 3 5
  • Electrochemical equivalents: 0.93177 g/amp-hr
  • lonic radius: 0.58 angstrom
  • Valence electron potential: 74 -eV
  • Principal quantum number: 4
  • Principal electron shells: K L M N
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
  • Valence electrons: 4s2 4p3
  • Crystal form: Rhombohedral
  • Half life:
  • Cross section σ: 4.30 ± 0.10 barns
  • Vapor pressure: Pa (at melting point)