NO. 110Unknown

Ds

Darmstadtium

Darmstadtium is a superheavy element predicted to behave like platinum, though its chemistry is largely theoretical.

Crystal Structure

Hexagonal close-packed (predicted)

Atomic Mass281 u

Density22.5 g/cm³

Melting Point2000 K

Boiling Point4300 K

Atomic Radius128 pm

Electronegativity1.3

Ionization Energy640 kJ/mol

Electron Affinity0 kJ/mol

Bonding TypeMetallic

Oxidation States2, 4

Acid/BaseUnknown

ReactivityUnknown

Electron Configuration

[Rn] 5f14 6d8 7s2

Discovered ByGSI Darmstadt

Year1994

Known Isotopes

Ds-281