Period 1
    Period 2
    Period 3
    Period 4
    Period 5
    Period 6
    The S Orbital
    The P Orbital
    The D Orbital
    The F Orbital
    Transition Elements
    Lanthanide Series
    Actinide Series
    Multivalence1
    Multivalence2

    Rota Period
    I II III IV V VI VII VIII
    1+

    2+

    3+

    4+

    5+

    6+

    7+

    8+

    3-

    2-

    1-

    0

    H He
    Li Be B C N O F Ne
    Na Mg Al Si P S Cl Ar
    K Ca Sc Ti V Cr Mn
    * * * Fe
    Co
    Ni
    Cu
    Zn Ga Ge As Se Br Kr
    Rb Sr Y Zr Nb Mo Tc Ru
    Rh
    Pd
    Ag
    Cd In Sn Sb Te I Xe
    Cs Ba La Ce
    Pr
    Nd
    Pm
    Sm
    Eu
    Gd
    Tb
    Dy
    Ho
    Er
    Tm
    Yb
    Lu Hf Ta W Re Os
    Ir
    Pt
    Au
    Hg Tl Pb Bi Po At Rn
    Fr Ra Ac Th Pa U
    Np
    Pu
    Am
    Cm Bk
    Cf
    Es
    Fm
    Md
    No
    Lr Rf Db


    The Shovel
    About the Rota Period
    Rota Period Explained (pdf)
    Rota Period Abstract Published in JSE (pdf)
    Atomic Radius, Electronegativity, Electropositivity, First Ionization Energy, Mass + Z, Metallic Properties and Oxidation State Trends
    Links

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    *** Iron (Fe) is an example of how multi valence elements are displayed.

    © 2007 James L. Rota, Rotaperiod.com


      Cf - Californium

    • Atomic Number: 98
    • Atomic Weight (Mass): 251.00000
    • Melting Point: 900 °C
    • Boiling Point: 0 °C
    • Orbital Class: 5f
    • Orbital: [Rn] 5f10 7s2
    • Class: Actinides
    • Electronegativity: unknown
    • Density: unknown
    • Van der Waals Radius: .200 nm
    • Ionic Radius: unknown
    • First Ionization Energy: 607.86 kJ mol-1
    • Second Ionization Energy: unknown
    • Third Ionization Energy: unknown
    • Heat of Fusion: unknown
    • Heat of Vaporization: unknown
    • Heat of Atomization: 175 kJ mol-1
    • Electrical Conductivity: unknown
    • Thermal Conductivity: unknown
    • Related To: B, Al, Sc, Co, Ni, Ga, Y, Ag, In, La, Nd, Pm, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, Lu, Au, Tl, Ac, Cm, Cf, Es, Fm, Md, No, Lr,
    • Valences
      I II III IV V VI VII VIII
      1+

      2+

      3+

      4+

      5+

      6+

      7+

      8+

      3-

      2-

      1-

      0

      * Cf *

      Californium is a Block F, Group 3, Period 7 element. The electronic configuration is [Rn] 5f10 7s2. In its elemental form californium's CAS number is 7440-71-3. The californium atom has a radius of 186.pm and it's Van der Waals radius is 200.pm.

      Californium was discovered by Stanley G. Thompson, Kenneth Street Jr. and Albert Ghiorso in 1950.

      French: Californium, German: Californium, Italian: Californio, Portuguese: californio, Spanish: Californium, Swedish: Californium

      This element can be purchased in a variety of forms including as metal, compounds, ultra high purity, nanoparticles, and isotopes at www.americanelements.com

      Reproduced With Permission: www.americanelements.com

      #######

      Click Here For More Information About Californium: Wikipedia.org

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