105
Db
Dubnium
(268) | 2
8
18
32
32
11
2
|
105
Db
Dubnium
(268) | 2
8
18
32
32
11
2
|
| General |
|---|
| Name | Dubnium | | Symbol | Db | | Number | 105 | | Chemical series | Transition elements | | Group / Period | 5 / 7 | | Block | d-block | | CAS registry number | 53850-35-4 |
| Physical properties |
|---|
| State | solid | | Density | g/cm3 | | Melting point | | | Boiling point | | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | (268) g/mol | | Crystal structure | | | Electronegativity | | | Atomic radius | | | Atomic radius (calculated) | | | Electron configuration | [Rn] 5f14 6d3 7s2
| | Electrons per shell | 2, 8, 18, 32, 32, 11, 2 | | Number of protons | 105 | | Number of neutrons | 157 |
|
Seaborgium