Kayayyaki
| Niobium | |
| Farashin STP | m |
| Wurin narkewa | 2750 K (2477 °C, 4491 °F) |
| Wurin tafasa | 5017 K (4744 °C, 8571 °F) |
| Yawan yawa (kusa da rt) | 8.57 g/cm 3 |
| Zafin fuska | 30 kJ/mol |
| Zafin vaporization | 689.9 kJ/mol |
| Ƙarfin zafin rana | 24.60 J/ (mol·K) |
| Bayyanar | launin toka mai launin toka, bluish lokacin da oxidized |
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Niobium Foda
Niobium Foda (CAS No. 7440-03-1) launin toka ne mai haske tare da babban ma'anar narkewa da kuma lalata. Yana ɗaukar launin shuɗi idan an fallasa shi zuwa iska a yanayin zafi na ɗaki na tsawon lokaci. Niobium wani abu ne mai wuya, mai laushi, mai laushi, mai ƙwanƙwasa, ƙarfe mai launin toka-fari. Yana da tsari mai siffar kubik crystalline mai matsakaicin jiki kuma a cikin halayensa na zahiri da sinadarai yana kama da tantalum. Iskar oxygen ta ƙarfe a cikin iska yana farawa a 200 ° C. Niobium, lokacin da aka yi amfani da shi wajen haɗawa, yana inganta ƙarfi. Ana haɓaka kaddarorinsa masu ƙarfi idan aka haɗa su da zirconium. Niobium micron foda ya sami kansa a cikin aikace-aikace daban-daban kamar kayan lantarki, yin alloy, da kuma likitanci saboda kyawawan sinadarai, lantarki, da kayan aikin injiniya.