Neodymium vs Europium
| Property | Nd Neodymium | Eu Europium |
|---|---|---|
| Atomic number | 60 | 63 |
| Symbol | Nd | Eu |
| Name | Neodymium | Europium |
| Category | lanthanide | lanthanide |
| Standard Atomic Weight | 144.242 u | 151.964 u |
| Period | 6 | 6 |
| Group | N/A | N/A |
| Block | s | s |
| Phase at STP | solid | solid |
| Electron configuration | [Xe]6s24f4 | [Xe]6s24f7 |
| Oxidation states | [0, 2, 3, 4] | [0, 2, 3] |
| Electronegativity (Pauling) | 1.14 | N/A |
| Electron affinity | 1.913 eV | 0.116 eV |
| Density | 7010 kg/m³ | 5240 kg/m³ |
| Melting point | 1020.85 °C | 821.85 °C |
| Boiling point | 3073.85 °C | 1528.85 °C |
| Discovery year | 1841 | 1896 |