darmstadtium

Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An artificially produced radioactive element with atomic number 110. Isotopes having mass numbers ranging from 267 to 281 are known, with the most stable isotope (Ds-281) having a half-life of about 10 seconds. cross-reference: Periodic Table.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A transuranic chemical element (symbol Ds) with atomic number 110.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a radioactive transuranic element

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[After Darmstadt.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after Darmstadt, where it was first synthesized.

Examples

  • Elements 110, 111 and 112 have been named darmstadtium (Ds), roentgenium (Rg) and copernicium (Cn).

    Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Roentgenium, after a modern physicist renamed roentgenium by the General Assembly, was originally discovered in 1994 when a team at GSI created three atoms of the element, about a month after their discovery of darmstadtium, on Dec. 8.

    Yahoo! News: Business - Opinion

  • Elements 110, 111 and 112 have been named darmstadtium (Ds), roentgenium (Rg) and copernicium (Cn).

    Yahoo! News: Business - Opinion

  • It was created by crashing a heavy isotope of lead with nickel-62, which created four atoms of darmstadtium.

    Yahoo! News: Business - Opinion

  • Researchers at Lawrence Berkeley National Laboratory in California saw the isotopes of rutherfordium, seaborgium, hassium, darmstadtium, and copernicium by watching the decay of the yet-to-be-named element 114, a synthetic element first produced about a decade ago.

    Wired Top Stories

Comments

New comments are temporarily disabled while we update our database.