| 释义 |
ytterbium (Yb) A rare divalent or trivalent, silvery, soft, malleable, and ductile metallic rare-earth ele- ment.Ytterbium has little practical application. Number 70 in the Periodic Table of Elements, ytterbium is named for the village of Ytterby, Sweden, where it was discovered. So were erbium, yttrium, and terbium. See also erbium and television. |