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  • Elements

    BORON
    5
    B
    10.811 (7)


    Physical properties

    This page outlines some physical properties of elemental boron.

    Bulk properties

    Density of solid [/kg m-3]: 2460
    Molar volume [/cm3]: 4.39
    Velocity of sound [/m s-1]: 16200

    Elastic properties

    Youngs modulus [/GPa]: no data
    Rigidity modulus [/GPa]: no data
    Bulk modulus [/GPa]: 320
    Poissons ratio [no units]: no data

    Hardnesses

    Mineral hardness [no units]: 9.3
    Brinell hardness [/MN m-2]: no data
    Vickers hardness [/MN m-2]: 49000

    Electrical properties

    Electrical resistivity [/10-8 Ω m; or mΩ cm]: > 1012

    Optical properties

    Reflectivity [/%]: no data
    Refractive index [no units]: no data
    Fluorides
  • BF3
  • B2F4
  • Chlorides
  • BCl3
  • B2Cl4
  • Bromides
  • BBr3
  • Iodides
  • BI3
  • Hydrides
  • B2H6
  • B4H10
  • B5H9
  • B5H11
  • B6H10
  • B10H14
  • Oxides
  • B2O3
  • Sulfides
  • B2S3
  • Selenides
    none listed
    Tellurides
    none listed
    Nitrides
  • BN






  • Our data and resources are taken from Web Elements