General Information
| Symbol: | Nb |
| Atomic Number: | 41 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 92.90638 |
| Group: | 5 (vanadium family) |
| VA (Old IUPAC), VB (CAS) |
| Period: | 5 |
| Block: | d |
Physical Properties
| Density: | 8.57 g/cm3 |
| Atomic Volume: | 10.8 cm2/mole |
| Atomic Radius: | 1.46 angstroms |
| Covalent Radius: | 137 pm |
| Radioactive: | No |
States
| Melting Point: | 2468.0 °C |
| Boiling Point: | 4742.0 °C |
| Heat Of Fusion: | 26.9 kJ/mole |
| Heat Of Vaporization: | 690.1 kJ/mole |
Energy
| Electronegativity: | 1.6 (Pauling Scale) |
| Electron Affinity: | -87 kJ/mol |
| 1st Ionization Energy: | 652 kJ/mol |
| Specific Heat Capacity: | 0.265 J g−1 K−1 |
| Thermal Conductivity: | 53.7 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | +5,3 |
| Electrons Per Shell: | 2 8 18 12 1 |
| Electron Configuration: | [Kr] 4d4 5s1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1 |
History
| Discovered In: | 1801 |
| Discovered By: | Charles Hatchett |
| Discovered At: | England |
| Word Origin: | From the Greek word "Niobe" meaning "daughter of Tantalus" |
Translations
| English | Niobium |
| Deutsch | Niob |
| Lëtzebuergesch | Niob |
| Nederlands | Niobium |
| Afrikaans | Niobium |
| Frysk | Niobium |
| Dansk | Niobium |
| Svenska | Niob |
| Norsk | Niob |
| Íslenska | Nióbín |
| Føroysk | Niobium |
| Latin | Niobium |
| Français | Niobium |
| Español | Niobio |
| Catalana | Niobi |
| Occitana | Niòbi |
| Português | Nióbio |
| Galego | Niobio |
| Italiano | Niobio |
| Furlan | Niobi |
| Român | Niobiu |
| Moldavian | Niobiu |
| Armãneashte | Niobiumu |
| Русский | Ниобий |
| Українска | Ніобій |
| by | Ніобій |
| Polska | Niob |
| Kaszëbsczi | Niób |
| Čech | Niob |
| Slovenský | Niób |
| Slovenščina | Niobij |
| Hrvatska | Niobij |
| Српски | Ниобиjум |
| Bosnian | Niobij |
| Македонски | Ниобиум |
| Български | Ниобий |
| Lietuviškai | Niobis |
| Lao | Niobijs |
| Sudovian | Niābijan |
| Cymraeg | Niobiwm |
| Gaeilge na hÉireann | Niaibiam |
| Gàidhlig na h | Niòibiam |
| Gaelg Vanninagh | Neeobium |
| Cornish | Nyobyum |
| Brezhoneg | Niobiom |
| Ελληνική | Νιοβιο |
| Shqip | Niob |
| Ossetian | Ниобий |
| Euskera | Niobioa |
| Georgian | ნიობიუმი |
| Suomi | Niobium |
| Eesti | Nioobium |
| Magyar | Nióbium |
| Türkçe | Niobyum |
| Kazakh | Ниобий |
| Uzbek | Ниобий |
| Tajik | Niobi' |
| Mongolian | Ниоби |
| 日本語 | ニオブ [niobu] |
| 中国话 | 鈮 |
| ไทย | ไนโอเบียม |
| Vietnamese | Niobi |
| Bahasa Melayu | Niobium |
| العربيه | نيوبيوم |
| Il-Malti | Najobjum |
| עברית | ניוביום |
| Esperanto | Niobo |
Links
Misspellings: biobium, miobium, jiobium, hiobium, nuobium, njobium, nkobium, noobium, n9obium, n8obium, niibium, nikbium, nilbium, nipbium, ni0bium, ni9bium, niovium, nionium, niohium, niogium, niobuum, niobjum, niobkum, nioboum, niob9um, niob8um, niobiym, niobihm, niobijm, niobiim, niobi8m, niobi7m, niobiun, niobiuk, niobiuj, iobium, nobium, nibium, nioium, niobum, niobim, niobiu, inobium, noibium, niboium, nioibum, niobuim, niobimu, nniobium, niiobium, nioobium, niobbium, niobiium, niobiuum, niobiumm
