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roentgenium

NOUN
  1. a radioactive transuranic element

How To Use roentgenium In A Sentence

  • 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
  • The isotope with 177 neutrons decays down to dubnium (atomic number 105), whereas the isotope with 176 neutrons decays down to roentgenium (atomic number 111). Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews
  • 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
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