110 Ds 281
Darmstadtium
unknown, probably transition metal
Properties
- Atomic number
- 110
- Atomic mass
- 281 u
- Category
- unknown, probably transition metal
- Group
- 10
- Period
- 7
- Block
- d-block
- State (room temp)
- Solid
- Outer-shell electrons
- 2
- Electronegativity
- —
- Density
- 34.8 g/cm³
- Melting point
- —
- Boiling point
- —
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁸
Noble-gas shorthand: [Rn] 5f¹⁴ 6d⁸ 7s²
Electrons per shell: 2, 8, 18, 32, 32, 16, 2 — that's 2 in the outermost shell.
About Darmstadtium
Darmstadtium is a chemical element with symbol Ds and atomic number 110. It is an extremely radioactive synthetic element. The most stable known isotope, darmstadtium-281, has a half-life of approximately 10 seconds.
- Discovered by Gesellschaft für Schwerionenforschung
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.