105 Db [268] Dubnium Transition metal

Named after Dubna, the Russian town where much of superheavy chemistry was pioneered.

Atomic number
105
Atomic mass
[268] u
Phase
Unknown
Electron configuration
[Rn] 5f¹⁴ 6d³ 7s²
Melting point
—
Boiling point
—
Density
29.3 g/cm³
Electronegativity
—
Period / Group
7 / 5
Discovery year
1967
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