Atomic Number 41     Atomic Mass 92.9063772     Density 8.57 g/mL

State solid     Color grey steel     Electronegativity 1.6

Melting Point 2468°C     Boiling Point 5127°C

Natural Isotope Nb-93 100%

Abbreviated Electron Configuration [Kr] 4d⁴ 5s¹

Discovered by Charles Hatchett in 1801.