Cov khoom
| Niobium (Nb) | |
| Phase ntawm STP | khov kho |
| Melting point | 2750 K (2477 ° C, 4491 ° F) |
| Boiling point | 5017 K (4744 ° C, 8571 ° F) |
| Ceev (ze rt) | 8,57g 3 |
| Kub ntawm fusion | 30 kJ/mol |
| Kub ntawm vaporization | 689.9 kJ/mol |
| Molar tshav kub muaj peev xwm | 24.60 J/(mol·K) |
| Qhov tshwm sim | 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.Ntuj niobium oxide qee zaum hu ua niobia.
