ERBIUM
\ˈɜːbi͡əm], \ˈɜːbiəm], \ˈɜː_b_iə_m]\
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By Princeton University
By DataStellar Co., Ltd
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Erbium. An element of the rare earth family of metals. It has the atomic symbol Er, atomic number 68, and atomic weight 167.26.
By DataStellar Co., Ltd
By Willam Alexander Newman Dorland