Basic Information
Name:niobium
Symbol:nb
Classification: Niobium is a transition metal
color:silvery-white
Atomic weight :92.9064
state: solid
Melting Point: 2477 oC, 2750 K
Boiling Point:4744 oC, 5017 K
Shells:2,8,18,12,1
Electron configuration: [Kr] 4d4 5s1
Density @ 20oC:8.57 g/cm3
Atomic volume:10.87 cm3/mol
Structure:bcc: body-centered cubic
hardness:6.0 mohs