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Nb
Niobium
#41 · I-Transition Metal
| I-Mass | 92.906 u |
| Uxinano | 8.57 g/cm³ |
| Uthuthu | 2750.0 K |
| Ukomisa | 5017.0 K |
| Electronegativity | 1.6 |
| Ionization energy | 652.1 kJ/mol |
| Atomic radius: | 146.0 pm |
| I-Block | d- iblock |
| Ilizwe (RT) | I-Solid |
| Qwalasela | [Kr] 4d4 5s1 |