Db
105 transition metal Generado con IA
Dubnio
Symbol Db
Atomic Mass 268
Dubnium is a chemical element with symbol Db and atomic number 105. It is named after the town of Dubna in Russia (north of Moscow), where it was first produced. It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, dubnium-268, has a half-life of approximately 28 hours.
Properties
- Phase: Solid
- Density: 29.3 g/cm³
- Melting Point: null K
- Boiling Point: null K