Dubnium (Db) - Element 105 | Properties & Electron Configuration
What is Dubnium?
Dubnium (Db) is element 105, a transition metal in period 7, group 5. Its electron configuration is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d³ 7s².
| Atomic Number | 105 |
| Symbol | Db |
| Atomic Mass | 268 u |
| Category | Transition Metal |
| Period | 7 |
| Group | 5 |
| Block | d |
| Electron Configuration | 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d³ 7s² |
| Short Config | [Rn] 5f¹⁴ 6d³ 7s² |
| Electronegativity | N/A |
| Atomic Radius | N/A |
| Ionization Energy | N/A |
| Electron Affinity | N/A |
| Phase (STP) | Solid |
Electron Configuration
The full electron configuration of Dubnium is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d³ 7s². In noble gas shorthand, this is written as [Rn] 5f¹⁴ 6d³ 7s².
Dubnium is a d-block element in group 5, period 7.
Periodic Trends
View all 118 elements with trend overlays for electronegativity, atomic radius, ionization energy, and electron affinity.
Explore Dubnium on the Interactive Periodic TableRelated Topics
Vanadium (V)
Properties of Vanadium - same group as Dubnium
Niobium (Nb)
Properties of Niobium - same group as Dubnium
Tantalum (Ta)
Properties of Tantalum - same group as Dubnium
Francium (Fr)
Properties of Francium - same period as Dubnium
Radium (Ra)
Properties of Radium - same period as Dubnium
Actinium (Ac)
Properties of Actinium - same period as Dubnium