Element 110
Darmstadtium (Ds)
Darmstadtium (Ds) is element 110 of the periodic table, a element with unclassified properties in period 7, group 10 (d-block) with an atomic mass of 281 and is a solid at standard conditions.
At a glance
- Atomic number
- 110
- Symbol
- Ds
- Atomic mass
- 281 u
- Category
- Unclassified properties
- Period
- 7
- Group
- 10
- Block
- d-block
- Phase at STP
- solid
Electron structure
- Electron configuration
- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 5f14 6d8 7s2
- Shorthand configuration
- [Rn] 5f14 6d8 7s2
- Electrons per shell
- 2, 8, 18, 32, 32, 16, 2
- Oxidation states
- +8
Physical properties
- Density
- 34.8 g/cm3
- Phase
- solid
Atomic properties
- Covalent radius
- 128 pm
- First ionization energy
- 960 kJ/mol
Notable isotopes
| Isotope | Mass | Abundance | Stability |
|---|---|---|---|
| Ds-281 | 281.16451 | — | Half-life 14 seconds |
Common uses
- Scientific research only
Discovery
- Year
- 1994
- Discovered by
- Sigurd Hofmann
- Country
- Germany