lutécium

Traductions

• anglais

  Date : 1983

  Définition

  An element. State: Solid; Group IIIB: (Lanthanide Series); Atomic N°: 71; atomic Wt: 174.97; Valence: 3; Isotopes: 1 stable. Lutetium is a soft metal, m.p. 1675° (304°F), of the rare-earth group, recovered from monazite sands in which it occurs in concentrations of as low as 0.003%. It is quite similar to erbium and holmium.

  Notes :

  Because it is expensive to produce, it has no industrial applications but is of considerable theoretical interest.
  
  Derived from the Latin term for Paris, where its discoverer, G. Urbain, was born.

  Termes :

  1. lutetium
  2. Lu
  3. lutecium