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  • Key data; description
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  • Compounds
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  • nuclear properties
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  • electronic properties
  • Electronic configuration
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  • Atom radii
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  • physical properties
  • Bulk properties (density, resistivity, etc.)
  • Thermal properties (melting point, etc.)
  • Thermodynamic properties
  • crystallography
  • Crystal structure
  • Elements

    ACTINIUM
    89
    Ac
    [ 227 ]


    Thermal Properties and temperatures

    Temperatures

    Melting point [/K]: 1323 [or 1050 °C (1922 °F)]
    Boiling point [/K]: 3573 [or 3300 °C (5972 °F)] (liquid range: 2250 K)
    Critical temperature [/K]: no data
    Superconduction temperature [/K]: no data

    States at 298 K

      Expansion and conduction properties

      Thermal conductivity [/W m-1 K-1]: 12
      Coefficient of linear thermal expansion [/K-1 multiplied by 106]: no data

      Enthalpies

      Enthalpy of fusion [/kJ mol-1]: 14
      Enthalpy of vaporization [/kJ mol-1]: 400
      Enthalpy of atomization [/kJ mol-1]: 406
      Fluorides
    • AcF3
    • Chlorides
    • AcCl3
    • Bromides
    • AcBr3
    • Iodides
    • AcI3
    • Hydrides
    • AcH2
    • Oxides
    • Ac2O3
    • Sulfides
    • Ac2S3
    • Selenides
      none listed
      Tellurides
      none listed
      Nitrides
      none listed






      Our data and resources are taken from Web Elements