Darmstadtium (Ds)

Symbol Ds
Atomic Number 110
Atomic Weight (281)
Group 10 (nickel family)
VIIIA (Old IUPAC), VIII (CAS)
Period 7
Block d

Planetary Bohr Model of Ds

Physical Properties

Density g/cm3
Atomic Volume cm3/mole
Atomic Radius angstroms
Covalent Radius pm
Radioactive Yes

States

Melting Point °C
Boiling Point °C
Heat Of Fusion kJ/mole
Heat Of Vaporization kJ/mole

Energy

Electronegativity (Pauling Scale)
Electron Affinity kJ/mol
1st Ionization Energy kJ/mol
Specific Heat Capacity J g−1 K−1
Thermal Conductivity W·m−1·K−1

Electrons and Oxidation

Oxidation States
Electrons Per Shell 2 8 18 32 32 17 1
Electron Configuration [Rn] 5f14 6d9 7s1
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 5f14 6d9 7s1

History

Discovered In
1994
Discovered By
S. Hofmann, V. Ninov, F. P. Hessberger, P. Armbruster, H. Folger, G. Mnzenberg, H. J. Schtt, and others
Discovered At
Gesellschaft fr Schwerionenforschung (GSI) in Darmstadt, Germany.
Word Origin
The name darmstadtium lies within the long established tradition of naming an element after the place of its discovery, Darmstadt, in Germany.