Periodic table

 

 

Atomic number:110

Group numbers:10

Period:7

Electronic configuration:[Rn] 5f¹⁴ 6d⁹ 7s¹

Formal oxidation number:

Electronegativities:-

Atomic radius / pm:-

Relative atomic mass:[281]

 

Darmstadtium was discovered by S. Hofmann (DE) et al. collaboration at the Heavy Ion Research Laboratory (Gesellschaft für Schwerionenforschung, GSI) in Darmstadt, Germany in November 1994. The title honours the Laboratory for Heavy Ion Research (called GSI) in Darmstadt, Germany, where the substance was first made. It is a synthetic radioactive metal. The fusion–evaporation reaction using a 62Ni beam on an isotopically enriched 208Pb target produced four chains of alpha-emitting nuclides following the presumed formation of 269110 + 1n.

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:-

Boiling point / °C:-

Heat of fusion / kJ mol^-1:-

Heat of vaporization / kJ mol^-1:-

Heat of atomization / kJ mol^-1:-

IONIZATION ENERGIES

First ionization energy / kJ mol^-1:-

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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Citing this page:

Generalic, Eni. "Darmstadtium." EniG. Periodic Table of the Elements. 16 May 2013. KTF-Split. {Date of access}. <http://www.periodni.com/ds.html>.