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English Dictionary: Europium by the DICT Development Group
3 results for Europium
From WordNet (r) 3.0 (2006) [wn]:
  1. a bivalent and trivalent metallic element of the rare earth group
    Synonym(s): europium, Eu, atomic number 63
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Europium \Eu*ro"pi*um\, n. [NL.; Europe + -ium, as in
      aluminium.] (Chem.)
      A metallic element of the rare-earth group, discovered
      spectroscopically by Demarcay in 1896. Symbol, Eu; at. wt.,

From The Elements (22Oct97) [elements]:
   Symbol: Eu
   Atomic number: 63
   Atomic weight: 151.25
   Soft silvery metallic element belonging to the lanthanoids. Eu-151 and
   Eu-153 are the only two stable isotopes, both of which are {neutron}
   absorbers. Discovered in 1889 by Sir William Crookes.
No guarantee of accuracy or completeness!
©TU Chemnitz, 2006-2017
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