Name:  Niobium

Atomic Symbol and Mass Number: Nb [41]

Electron Configuration: [Kr] 4d   5s

Atomic Radii: 207 pm

Electron Affinity: 86.1 kJ mol-1

Oxidation states: +2, +3, +4, +5

Electronegativity value: 1.6

Elemental Group: Transition Metal

Uses and properties:

• Shiny, white, ductile metal

• Color depends on its thickness which is typically blue, green, or yellow

• Resists corrosion

• One of the five major refractory metals

• Superconductor at cryogenic temperatures

• Used with other elements in stainless steel alloys

• Alloys are strong and used in pipeline construction

• Superalloys for jet engines and heat resistant equipment

• Jewelry

 

Lewis diagram: