• Definition for "europium"
    • A silvery-white, soft, rare-earth element occurring in monazite…
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  • Sentence for "europium"
    • Now rare earth elements with exotic…
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europium definition

  • noun:
    • A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See Table at element.
    • a metallic chemical factor (icon Eu) with an atomic amount of 63.
    • A metallic section of the rare-earth team (Lanthanide series), found spectroscopically by Demarcay in 1896. Symbolization, Eu; atomic quantity 63; at. wt., 151.965 (C=12.011); valence = +2 or +3.
    • A supposed brand-new element announced by Demarçay in 1901, obtained in really small quantity as oxid, sulphate, etc., from samar-skite and monazite.
    • a bivalent and trivalent metallic component of the rare earth group
    • A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See Table at element.
    • a metallic chemical factor (symbol Eu) with an atomic few 63.
    • A metallic component of the rare-earth team (Lanthanide series), discovered spectroscopically by Demarcay in 1896. Symbol, Eu; atomic quantity 63; at. wt., 151.965 (C=12.011); valence = +2 or +3.
    • A supposed brand-new element established by Demarçay in 1901, obtained in tiny amount as oxid, sulphate, etc., from samar-skite and monazite.
    • a bivalent and trivalent metallic element of the rare-earth team
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