Niobium
From Lunarpedia
| Niobium | |
|---|---|
| Nb | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 41 |
| Atomic mass: | 92.90638 |
| group: | 5 |
| period: | 5 |
| normal phase: | Solid |
| series: | Transition Metals |
| density: | 8.57 g/cm3 |
| melting point: | 2750K, 2477°C, 4491°F |
| boiling point: | 5017K, 4744°C, 8571°F |
| Ti ← V → Cr | |
| Zr ← Nb → Mo | |
| Hf ← Ta → W | |
| Atomic radius (pm): | 145 |
| Bohr radius (pm): | 198 |
| Covalent radius (pm): | 137 |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+5) 64 |
| 1st ion potential (eV): | 6.76 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1 | |
| Electrons Per Shell | |
| 2, 8, 18, 12, 1 | |
| Electronegativity: | 1.6 |
| Electron Affinity: | 0.9 |
| Oxidation states: | 5, 3 |
| Magnetism: | ? |
| Crystal structure: | Body centered cubic |
Niobium is a Transition Metal in group 5.
It has a Body centered cubic crystalline structure.
This element has a stable isotope of 93
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