41
Nb
92.906
Niobium (Nb)
Element 41 · Period 5 · Group 5
transition-metal
solid at room temp
d-block
About Niobium
Superconductor at low temperatures. Used in superalloys for jet engines and steel.
Physical Properties
Atomic Mass
92.906 u
State at 25°C
Solid
Melting Point
2477 °C
Boiling Point
4744 °C
Density
8.57 g/cm³
Magnetism
Paramagnetic
Atomic Properties
Electron Configuration
[Kr] 4d⁴ 5s¹
Electron Shells
2, 8, 18, 12, 1
Electronegativity
1.6
Atomic Radius
198 pm
Ionization Energy
652 kJ/mol
Oxidation States
+3 to +5
Discovery & History
Discovered By
Charles Hatchett
Discovery Year
1801
Named By
Heinrich Rose
Name origin: Greek: Niobe (mythology)
Frequently Asked Questions
- Is Niobium a metal, nonmetal, or metalloid?
- Niobium is classified as a transition-metal.
- What state is Niobium in at room temperature?
- Niobium is a solid at standard room temperature (25°C).
- What is the atomic mass of Niobium?
- Niobium has an atomic mass of 92.906 atomic mass units (u).
- Who discovered Niobium?
- Niobium was discovered by Charles Hatchett in 1801.
- Where is Niobium on the periodic table?
- Niobium is element number 41, located in period 5 and group 5.