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Californium
(Cf)
2818322882
Cf
Category
Actinoid
Series
actinide
Relative atomic mass
251.07958
Density
13.51
Melting point (°C)
1342
Boiling point (°C)
3100
Electronegativity (Pauling)
1.28
Half-life
900 y
Discovery year
1949
Discovered by
Glenn T. Seaborg
Electrons: 98
Protons: 98
Neutrons: 153

Wikipedia

Wikipedia
Decay chain
  1. Cf-251(900 y)
    α decay
  2. Cm-247(1.56×10⁷ y)
    α decay
  3. Pu-243(4.96 h)
    β⁻ decay
  4. Am-243(7370 y)
    α decay
  5. Np-239(2.36 d)
    β⁻ decay
  6. Pu-239(24,110 y)
    α decay
  7. U-235(7.04×10⁸ y)
    α decay
  8. Pb-207(stable)stable
created by @lukaswyss
Californium (Cf) – Element 98