Dubnium (Db) in the periodic table — PeriodicTable

Dubnium (Db) in the periodic tableDubnium is element 105, a transition metal of the d block, in group 5, period 7. Its ground-state configuration is [Rn] 5f14 6d3 7s2, and it usually shows the oxidation states 0.It was discovered in 1967, by Flerow or Ghiorso.Name origin: Dubna, Russia. Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

268

Da

First ionisation energy

664.8

kJ/mol

Density

29.3

g/cm³

Abundance

0

mg/kg

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