98
251
Cf
Californium

Californium

15.1
251
[Rn] 5f107s2
249Cf, 252Cf
7
f
98
2, 8, 18, 32, 28, 8, 2
606.092
Cf
15.1
900°C, 1652°F, 1173 K
Unknown
Stanley Thompson, Kenneth Street, Jr., Albert Ghiorso, and Glenn Seaborg
1950
7440-71-3
22433
More Information
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Atomic Data

Atomic Radiues, Non-bonded (A): 2.45
Electron Affinity (kJ mol-1): Unknown
Covalent Radiues (A): 1.68
Electronegativity (Pauling Scale): Unknown
Ionisation Energies (kJ mol-1) 1st 2nd 3rd 4th 5th 6th 7th 8th
606.092 1138.5 - - - - - -

Oxidation States and Isotopes

Common oxidation states 4, 3
Isotope Atomic Mass Natural Abundance Half Life Mode of Decay
249Cf 249.075 - 351 y α
8 x 1010 y sf
250Cf 250.076 - 13.1 y α
1.7 x 104 y sf
251Cf 251.080 - 9 x 102 y α
252Cf 252.082 - 2.65 y α
86 y sf
 

Pressure and Temperature Data

Specific Heat Capacity: Unknown
Shear Modulus: Unknown
Young Modulus: Unknown
Bulk Modulus: Unknown
Pressure 400k Pressure 600k Pressure 800k Pressure 1000k Pressure 1200k Pressure 1400k Pressure 1600k Pressure 1800k Pressure 2000k Pressure 2200k Pressure 2400k
- - - - - - - - - - Unknown

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