Nb
Niobium Symbol (Nb)
Niobium is element 41 of the periodic table. Copy its symbol Nb and see its atomic weight, electron configuration and physical properties.
What does Nb mean?
Nb is the chemical symbol for niobium, element number 41 in the periodic table. Niobium is a transition metal in group 5, period 5. It is a solid at room temperature and was discovered in 1801.
Codes and properties
| Chemical symbol | Nb |
|---|---|
| Atomic number (Z) | 41 |
| Atomic weight (PubChem) | 92.90637 |
| Group / period | 5 / 5 |
| Element category | transition metal |
| Electron configuration | [Kr]5s¹ 4d⁴ |
| State at 20 °C | Solid |
| Oxidation states | +5, +3 |
| Electronegativity (Pauling) | 1.6 |
| Melting point | 2750 K (2476.85 °C) |
| Boiling point | 5017 K (4743.85 °C) |
| Density | 8.57 g/cm³ |
| Discovered | 1801 |
How to type Nb
- Plain text: type
Nb— element symbols are ordinary Latin letters, with the first letter capitalised and the second lowercase. - Subscripts in formulas: use Unicode subscript digits (₀₁₂₃₄₅₆₇₈₉) for formulas such as H₂O — copy them from the chemistry keyboard.
- LaTeX: write
\mathrm{Nb}in math mode, or use the mhchem package:\ce{Nb}. - HTML:
Nb; for subscripts use<sub>, e.g.H<sub>2</sub>O.
Frequently asked questions
What is the chemical symbol for niobium?
The chemical symbol for niobium is Nb.
What is the atomic number of niobium?
Niobium has atomic number 41, meaning each atom has 41 protons.
What is the electron configuration of niobium?
The ground-state electron configuration of niobium is [Kr]5s¹ 4d⁴.
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Reference: Niobium on PubChem (NIH)