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erbium - Reference Center

Erbium [from Ytterby, a town in Sweden], metallic chemical element; symbol Er; at. no. 68; at. wt. 167.26; m.p. 1,529°C; b.p. 2,863°C; sp. gr. 9.05 at 25°C; valence +3. Erbium is a soft, malleable, lustrous, silvery metal. It is a member of the lanthanide...more

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  • Erbium

    Dec 15, 2003 ... (Ytterby, a town in Sweden) Erbium, one of the so-called rare-earth elements on the lanthanide series, is found in the minerals mentioned ...

    periodic.lanl.gov/elements/68.html - Similar

  • It's Elemental - The Element Erbium

    The Element Erbium - Basic Physical and Historical Information.

    education.jlab.org/itselemental/ele068.html - Similar

  • Chemical Elements.com - Erbium (Er)

    Basic information, atomic structure, and isotopes.

    www.chemicalelements.com/elements/er.html - Similar

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