Niobium vs Ytterbium
| Property | Nb Niobium | Yb Ytterbium |
|---|---|---|
| Atomic number | 41 | 70 |
| Symbol | Nb | Yb |
| Name | Niobium | Ytterbium |
| Category | transition-metal | lanthanide |
| Standard Atomic Weight | 92.90637 u | 173.054 u |
| Period | 5 | 6 |
| Group | 5 | N/A |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s14d4 | [Xe]6s24f14 |
| Oxidation states | [-3, -1, 0, 1, 2, 3, 4, 5] | [0, 1, 2, 3] |
| Electronegativity (Pauling) | 1.6 | N/A |
| Electron affinity | 0.893 eV | -0.02 eV |
| Density | 8570 kg/m³ | 6900 kg/m³ |
| Melting point | 2476.85 °C | 818.85 °C |
| Boiling point | 4743.85 °C | 1195.85 °C |
| Discovery year | 1801 | 1878 |