41
92.906 u
Nb
Niobium
Transition Metal
Atomic Structure
Physical State
Group
5
Period
5
Block
d
Electron Configuration
[Kr] 4d⁴ 5s¹
Physical Properties
Atomic Mass:
92.906 u
Electronegativity:
1.6
Atomic Radius:
207 pm
Ionization Energy:
6.759 eV
Density:
8.57 g/cm³
Melting Point:
2750 K
Boiling Point:
5017 K
Historical Information
Discovered By:
Charles Hatchett
Year Discovered:
1801