About the sample | This sample of niobium is a kind of foil and it is a commercial sample. It has been donated by an Israeli colleague Mordechai Livneh. |
| Z | 41 |
| ρ / g/cm3 | 8.57 |
| tt, mp / °C | 2477 |
| tv, bp / °C | 4744 |
| Ar | 92.906 |
| Electronegativity, (X) | 1.96 |
| Crystal structure | Cubic |
| Extended information | https://www.webelements.com/niobium/ |