Perspectives over the Brazilian Iron-Niobium Production (AOICS)- Lupine publishers
Niobium is a chemical element, symbol Nb, atomic number 41 (41 protons
and 41 electrons) and atomic mass 92.9 u. It is a transition element
belonging to the group 5 or 5B of the periodic classification of the
elements. The name derives from the Greek goddess Niobe, daughter of
Dione and Tantalus - the latter, in turn gave name to another element of
the family 5B, tantalum. It is used mainly in alloys of steel for the
production of conductive tubes of fluids. Under normal conditions, it is
solid. It was discovered in 1801 by the Englishman Charles Hatchett
[1].
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