PERIODIC ELEMENT
Eu (Europium)
| Atomic number | : | 63 |
| Atomic mass | : | 167.26 g mol-1 |
| Electronegativity according to Pauling | : | 1.2 |
| Density | : | 9.2 g.cm-3 at 20 °C |
| Melting point | : | 1522 °C |
| Boiling point | : | 2510 °C |
| Vanderwaals radius | : | unknown |
| Ionic radius | : | unknown |
| Isotopes | : | 9 |
| Electronic shell | : | [ Xe ] 4f12 6s2 |
| Energy of first ionisation | : | 587.6 kJ.mol-1 |
| Energy of second ionisation | : | 1149 kJ.mol-1 |
| Standard potential | : | - 2.30 V |
| Discovered by | : | Carl Mosander in 1843 |
| Atomic Structure | Uses (color televisions) | |