Cov khoom
| Niobium (Nb) | |
| Theem ntawm STP | khov kho |
| Qhov kub yaj | 2750 K (2477 °C, 4491 °F) |
| Kub taw tes | 5017 K (4744 °C, 8571 °F) |
| Qhov Ceev (nyob ze rt) | 8.57 g/cm3 |
| Kub ntawm kev sib xyaw | 30 kJ/mol |
| Kub ntawm kev ua pa | 689.9 kJ/mol |
| Lub peev xwm cua sov Molar | 24.60 J/(mol·K) |
| Qhov tsos | grey metallic, xiav thaum oxidized |
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Qib siab Niobium oxide (Nb2O5) hmoov Assay Min.99.99%
Niobium Oxide, qee zaum hu ua columbium oxide, ntawm UrbanMines xa mus rauNiobium Pentoxide(niobium(V) oxide), Nb2O5. Qee zaum niobium oxide ntuj tsim yog hu ua niobia.