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Ar   -   Argon (18/39.948)

Material List
Ar (2)
1 material, 2 document(s) are retrieved.
  • Naturally occurring isotopes: 40 36 38
  • Density: 1.65(40.15K), 1.784E-03(273.15K) g/cm3
  • Melting point: -189.2 oC
  • Boiling point: -185.7 oC
  • Latent heat of fusion: 29.45 J/g
  • Specific heat: 0.52032 J/g/K (at room temp.)
  • Coefficient of lineal thermal expansion: cm/cm/K (at room temp.)
  • Thermal conductivity: 1.77E-01 W/cm/K (at room temp.)
  • Electrical resistivity: hm-cm (at room temp.)
  • lonization potential (1st): 15.759 eV
  • Electronic work function Φ:
  • Oxidation potentials: V
  • Chemical valence: 0
  • Electrochemical equivalents: g/amp-hr
  • lonic radius: angstrom
  • Valence electron potential: -eV
  • Principal quantum number: 3
  • Principal electron shells: K L M
  • Electronic configuration: 1s2 2s2 2p6 3s2 3p6
  • Valence electrons: 3s2 3p6
  • Crystal form: FCC
  • Half life:
  • Cross section σ: 0.66 barns
  • Vapor pressure: Pa (at melting point)