| Element | Europium | Symbol | Eu |
| Atomic Number | 63 | Molar Mass | 151.96 gmol-1 |
| Electron Configuration | [Xe]4f76s2 | Normal State | solid metal |
| Density @STP | 5.25 g cm-3 | Melting Point | 822oC |
| Boiling Point | 1529oC | Stable Isotopes | 151Eu, 153Eu |
| Atomic Radius | 204 pm | Ionic Radius | 98 (3+) pm |
| Electronegativity (Pauling) | Ionization Energy (1st) | 547 kJ mol-1 | |
| Ionization Energy (2nd) | 1085 kJ mol-1 | Ionization Energy (3rd) | 2404 kJ mol-1 |
| Molar Heat Capacity | 27.7 J K-1mol-1 | Standard Molar Entropy | 77.8 J K-1mol-1 |
| Enthalpy of Fusion | 10.5 kJ mol-1 | Enthalpy of Vapourization | 175.7 kJ mol-1 |