dubnium

Atomic number: 105
Atomic weight: 262
Symbol: Db
Group number: 5
Electronic configuration: [Rn].5f¹⁴.6d³.7s² (a guess based upon that of tantalum)

Physical data

Standard state: unknown but presumably a solid at 298 K
Colour: no data
Density of solid at ambient temperature/kg m-3: no data
Molar volume/cm3: no data

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