105Db
Dubnium
Transition metal
Properties of Dubnium
- Atomic number (Z)
- 105
- Symbol
- Db
- Name
- Dubnium
- Atomic mass
- 268 u
- Period
- 7
- Group
- 5
- Family
- Transition metals
- Classification
- Transition metal
- Electron configuration
- [Rn] 5f¹⁴ 6d³ 7s²
About Dubnium
Dubnium is a chemical element with symbol Db and atomic number 105 (atomic mass of about 268 u). It is classified as a transition metal on the periodic table.
On the periodic table, Dubnium is located in period 7, in group 5, belonging to the transition metals family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.
The electron configuration of Dubnium is [Rn] 5f¹⁴ 6d³ 7s², which determines how it forms chemical bonds and takes part in reactions.