Darmstadtium (Ds)
Unknown / predicted · d-block · period 7 · group 10
A handful of atoms only.
Darmstadtium (symbol Ds) is chemical element number 110, a unknown / predicted in group 10, period 7 of the periodic table. Its standard atomic weight is (281) and its electron configuration is [Rn] 5f14 6d8 7s2. Its state at room temperature is unknown, and it is radioactive. Named after Darmstadt, Germany, home of the GSI heavy-ion lab.
Properties
| Atomic number | 110 |
|---|---|
| Atomic mass | (281) |
| Category | Unknown / predicted |
| Block | d-block |
| Group · Period | 10 · 7 |
| Electron configuration | [Rn] 5f14 6d8 7s2 |
| Electrons per shell | 2, 8, 18, 32, 32, 16, 2 |
| State at 25 °C | unknown |
| Melting point | — |
| Boiling point | — |
| Density | — |
| Electronegativity (Pauling) | — |
| Radioactive | Yes — no stable isotope |
| Origin | synthetic |
| Discovered | 1994 · GSI Darmstadt |
Key facts about Darmstadtium
- Named after Darmstadt, Germany, home of the GSI heavy-ion lab.
- First made by fusing nickel and lead nuclei — only a few atoms in a week of running.
- Predicted to be a very dense, possibly gold-like metal.
- Most stable isotope lasts about ten seconds.
What Darmstadtium is used for
None — research only.
Where it sits in the periodic table
Darmstadtium is in group 10, period 7, of the d-block. Its electron configuration [Rn] 5f14 6d8 7s2 means its outermost shell holds 2 electrons, which is what places it here and explains much of its chemistry. See Darmstadtium on the interactive table →
Darmstadtium — frequently asked questions
What is Darmstadtium used for?
None — research only.
Is Darmstadtium radioactive?
Yes. Darmstadtium has no stable isotope, so every form of it is radioactive.
What is the electron configuration of Darmstadtium?
Darmstadtium has the electron configuration [Rn] 5f14 6d8 7s2, which is 2, 8, 18, 32, 32, 16, 2 electrons per shell.
What group and period is Darmstadtium in?
Darmstadtium is in group 10, period 7, in the d-block. Its outer shell holds 2 electrons.
Who discovered Darmstadtium?
Darmstadtium was discovered in 1994 by GSI Darmstadt.