41
Nb
Niobium
Niobium
Niobium (Nb)
Transition Metals · Solid · Period 5 · Group 5
Element Properties
- Atomic Number
- 41
- Symbol
- Nb
- Atomic Mass
- 92.9064
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 5
- Group
- 5
- Electronegativity
- 1.6
- Atomic Radius
- 207
- Ionization Energy
- 6.76
- Electron Affinity
- 0.89
- Oxidation States
- +5, +3
- Melting Point
- 2750 K (2476.85 °C)
- Boiling Point
- 5017 K (4743.85 °C)
- Density
- 8.57
- Electron Configuration
- [Kr]5s1 4d4
- Year Discovered
- 1801
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Frequently asked questions
What is the atomic number of Niobium?
The atomic number of Niobium is 41, which equals the number of protons in its nucleus.
What is the atomic mass of Niobium?
The atomic mass of Niobium is approximately 92.9064 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Niobium?
The electron configuration of Niobium is [Kr]5s1 4d4.
Where is Niobium in the periodic table?
Niobium is located in period 5, group 5.
When was Niobium discovered?
Niobium was discovered in 1801.