Periodic table

 

 

Atomic number:100

Group numbers:3

Period:7

Electronic configuration:[Rn] 5f¹² 7s²

Formal oxidation number:+3

Electronegativities:-

Atomic radius / pm:-

Relative atomic mass:[257]

 

Fermium was discovered by Albert Ghiorso & Berkely Lab. (US) in 1953. Named in honour of Enrico Fermi. It is a synthetic radioactive metal. Fermium was produced by bombarding lighter transuranium elements with still lighter particles or by neutron capture.

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:1527

Boiling point / °C:-

Heat of fusion / kJ mol^-1:-

Heat of vaporization / kJ mol^-1:-

Heat of atomization / kJ mol^-1:141

IONIZATION ENERGIES

First ionization energy / kJ mol^-1:627.16

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. "Fermium." EniG. Periodic Table of the Elements. 3 Jan. 2012. KTF-Split. {Date of access}. <http://www.periodni.com/fm.html>.