41Nb
Niobium
Transition MetalNiobium (Nb) is element 41, a transition metal, in period 5 and group 5 of the periodic table. Its standard atomic weight is 92.906, it melts at 2477 °C and boils at 4744 °C. Discovered by Charles Hatchett, 1801.
Atomic Number41
SymbolNb
NameNiobium
Atomic Weight92.906 u
CategoryTransition Metal
Period5
Group5
Melting Point2477 °C
Boiling Point4744 °C
Density8.57 g/cm³
Electron Config[Kr] 4d4 5s1
Discovered ByCharles Hatchett, 1801