41 Nb
Transition metal
Niobium
Used in superconducting magnets.
Properties of Niobium
- Atomic number (Z)
- 41
- Symbol
- Nb
- Atomic mass
- 92.906 g/mol
- Category
- Transition metal
- Group
- 5
- Period
- 5
- Electron configuration
- [Kr] 4d⁴ 5s¹
- Electronegativity (Pauling)
- 1.6
- Atomic radius
- 198 pm
- First ionization energy
- 652 kJ/mol
- Melting point
- 2750 K (2476.8 °C)
- Boiling point
- 5017 K (4743.9 °C)
- Density
- 8.57 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1801