Darmstadtium
Chemical element
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Darmstadtium is a synthetic chemical element; it has symbol Ds and atomic number 110. It is extremely radioactive: the most stable known isotope, darmstadtium-281, has a half-life of approximately 14 seconds. Wikipedia
Symbol: Ds
Atomic number: 110
Discoverers: Victor Ninov and Sigurd Hofmann
Atomic mass: 281 u
Discovered: 1994
Electron configuration: 5f14 6d8 7s2 (predicted)
Electrons per shell: 2, 8, 18, 32, 32, 16, 2 (predicted)