Dubnium (Db)

Dubnium is named after Dubna, Russia, home of the Joint Institute for Nuclear Research.

Nitrogen and californium nuclei spiralling together and fusing into dubnium, which endures unusually long before splitting cleanly in two — Video: Nitrogen and californium nuclei spiralling together and fusing into dubnium, which endures unusually long before splitting cleanly in two

Properties of Dubnium

Atomic number: 105
Category: Transition Metal
Atomic mass: 268 u
Electron configuration: [Rn] 5f¹⁴ 6d³ 7s²
Density: 29.3 g/cm³
Appearance: Unknown, presumably metallic
Discovered by: Joint Institute for Nuclear Research (1968)

Facts about Dubnium

Dubnium is named after the Russian city of Dubna!
Both American and Soviet scientists claimed to discover dubnium first!
Dubnium is so unstable it exists for only about 28 hours!
Dubnium can only be made in particle accelerators!

Dubnium videos

Nitrogen and californium nuclei spiralling together and fusing into dubnium, which endures unusually long before splitting cleanly in two

Back to the periodic table · Dubnium on Wikipedia