Periodic table

 

 

Atomic number:98

Group numbers:3

Period:7

Electronic configuration:[Rn] 5f¹⁰ 7s²

Formal oxidation number:+3

Electronegativities:-

Atomic radius / pm:186

Relative atomic mass:[251]

 

Californium was discovered by Stanley G. Thompson, Kenneth Street Jr., and Albert Ghiorso (US) in 1950. Named after the State and University of California, USA. It is a synthetic radioactive metal and a powerful neutron emitter. Californium was made by bombarding curium with helium ions.

PHYSICAL PROPERTIES

Density / g dm^-3:-

Molar volume / cm³mol^-1:-

Electrical resistivity / μΩcm:- (20 °C)

THERMAL PROPERTIES

Thermal conductivity / W m^-1K^-1:-

Melting point / °C:900

Boiling point / °C:-

Heat of fusion / kJ mol^-1:-

Heat of vaporization / kJ mol^-1:-

Heat of atomization / kJ mol^-1:175

IONIZATION ENERGIES

First ionization energy / kJ mol^-1:607.86

Second ionization energy / kJ mol^-1:-

Third ionization energy / kJ mol^-1:-

ABUNDANCE OF ELEMENTS

in the atmosphere / ppm:-

in the Earth's crust / ppm:-

in the oceans / ppm:-

CRYSTALLOGRAPHIC DATA

ISOTOPES

REDUCTION POTENTIALS

 

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Periodic Table of the Elements

 

Citing this page:

Generalic, Eni. "Californium." EniG. Periodic Table of the Elements. 3 Jan. 2012. KTF-Split. {Date of access}. <http://www.periodni.com/cf.html>.