Lutetium. Sample of the rare earth metal Lutetium (Lu). The rare earth metals,or rare earth elements,are a set of seventeen chemical elements in the periodic table,specifically the fifteen lanthanides plus scandium and yttrium. Lutetium is a hard silvery-white metallic element. It is a rare and expensive element that has very few applications | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 2912 px × 4368 px |
Model Release : | Non requis |
Restrictions : | - |