Yttrium vs Lanthanum
| Property | Y Yttrium | La Lanthanum |
|---|---|---|
| Atomic number | 39 | 57 |
| Symbol | Y | La |
| Name | Yttrium | Lanthanum |
| Category | transition-metal | lanthanide |
| Standard Atomic Weight | 88.90584 u | 138.90547 u |
| Period | 5 | 6 |
| Group | 3 | N/A |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Kr]5s24d1 | [Xe]6s25d1 |
| Oxidation states | [0, 1, 2, 3] | [0, 1, 2, 3] |
| Electronegativity (Pauling) | 1.22 | 1.1 |
| Electron affinity | 0.307 eV | 0.47 eV |
| Density | 4470 kg/m³ | 6150 kg/m³ |
| Melting point | 1521.85 °C | 917.85 °C |
| Boiling point | 3344.85 °C | 3463.85 °C |
| Discovery year | 1794 | 1839 |