Atomic Properties
- Atomic Number
- 105
- Atomic Mass
- 268.0000 u
- Electron Configuration
- [Rn] 5f14 6d3 7s2
- Electronegativity
- —
- Block
- d-block
- Group
- 5
- Period
- 7
Physical Properties
- Phase (STP)
- solid
- Melting Point
- —
- Boiling Point
- —
- Density
- 29.3000 g/cm³
About Dubnium
Named after Dubna, Russia, where it was discovered.
Isotopes of Dubnium
Dubnium has 0 naturally occurring isotopes, plus 1 notable radioactive isotope.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 268Db | 268 | 268.12567 | — | Radioactive |
Data source: NIH PubChem (aggregated from IUPAC, NIST)