Atomic Number: 41

Name: Niobium

Atomic symbol: Nb

Atomic Weight: 92.9064

Electron configuration: 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶4d⁴5s¹

Ionization energies: 664 kJ/mol

Pauling electronegativity: 1.6

Melting Point: 2468^oC

Boiling Point: 4742^oC

Ionic radius: 1.00 angstroms (+1); 0.74 angstroms (+4); 0.69 angstroms (+5)