Europium |
| Simbool | Eu |
|---|---|
| Latynse naam | Europium |
| Atoomgetal | 63 |
| Periode | 6 |
| Element kategorie | Innerlike oorgangselemente |
| Relatieve atomiese massa | 151.965 |
| Groep | III.B |
| Electronegativiteit | 1.0 |
| Oksidering nommers | 2, 3 |
| Elektronkonfigurasie | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f7 5d0 6s2 |
| Digtheid [g/cm3] | 5.243 |
| Staat | Vaste stof |
| Smeltpunt [°C] | 822 |
| Kookpunt [°C] | 1597 |
| Atoomradius [pm] | 231 |
| Termiese geleidingsvermoë [W m-1K-1] | 13.9 |
| Hitte kapasiteit [J K-1g-1] | 0.182 |
| Ontdekking | 1896 |
| Vickers se hardheid [MPa] | 167 |
| Young's modulus [GPa] | 18 |
| Elektriese geleiding [S m-1] | 1.1 · 106 |
| Shear modulus [GPa] | 7.9 |
| 1ste ionisasie-energie [eV] | 5.6704 |
| 2de ionisasie-energie [eV] | 11.245 |
| 3de ionisasie-energie [eV] | 24.926 |
| Stabiele isotope | 2 |
| Onstabiele isotope | 19 |