Noun
a radioactive transuranic element
Source: WordNetThe GSI, amongst other elements, discovered the chemical element darmstadtium ( atomic number : 110), named after the city in 2003. Source: Internet
Nine different isotopes of darmstadtium have been reported with atomic masses 267, 269–271, 273, 277, and 279–281, although darmstadtium-267 and darmstadtium-280 are unconfirmed. Source: Internet
Stability and half-lives All darmstadtium isotopes are extremely unstable and radioactive; in general, the heavier isotopes are more stable than the lighter. Source: Internet
The atomic radius of darmstadtium is expected to be around 132 pm. Source: Internet
The most stable known darmstadtium isotope, 281 Ds, is also the heaviest known darmstadtium isotope; it has a half-life of 11 seconds. Source: Internet