Niobium
Esquema
Jerarquía
<materials by composition> > inorganic material > metal > <metal by composition or origin> > nonferrous metal
Descripción
Metallic element having symbol Nb and atomic number 41, formerly named columbium; soft grayish-white transition metal used in superconducting alloys.
URI original del concepto
Otros términos
- Nb [en]
- columbium [en]