Periodic table

 

 

Atomic number:97

Group numbers:3

Period:7

Electronic configuration:[Rn] 5f⁹ 7s²

Formal oxidation number:+3 +4

Electronegativities:-

Atomic radius / pm:170

Relative atomic mass:[247]

 

Berkelium was discovered by Stanley G. Thompson, Albert Ghiorso, and Glenn T. Seaborg (US) in 1949. Named after Berkeley, a city in California, home of the University of California, USA. It is synthetic radioactive metal. Berkelium was made by bombarding americium with alpha particles.

PHYSICAL PROPERTIES

Density / g dm^-3:14790 (calc.)

Molar volume / cm³mol^-1:16.70 (calc.)

Electrical resistivity / μΩcm:- (20 °C)

THERMAL PROPERTIES

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

Melting point / °C:1050

Boiling point / °C:-

Heat of fusion / kJ mol^-1:-

Heat of vaporization / kJ mol^-1:-

Heat of atomization / kJ mol^-1:291

IONIZATION ENERGIES

First ionization energy / kJ mol^-1:601.11

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. "Berkelium." EniG. Periodic Table of the Elements. 16 May 2013. KTF-Split. {Date of access}. <http://www.periodni.com/bk.html>.