Basic Information

Name: Niobium 
Symbol: Nb 
Atomic Number: 41 
Atomic Mass: 92.90638 amu 
Melting Point: 2468.0 °C (2741.15 K, 4474.4 °F) 
Boiling Point: 4927.0 °C (5200.15 K, 8900.6 °F) 
Number of Protons/Electrons: 41 
Number of Neutrons: 52 
Classification: Transition Metal 
Crystal Structure: Cubic 
Density @ 293 K: 8.57 g/cm3 
Color: white
Date of Discovery: 1801 
Discoverer: Charles Hatchet 
Name Origin: After Niobe, daughter of mythical king (Tantalus) 
Uses: No uses known 
Obtained From: columbite