Europium
Revision as of 20:55, 26 September 2007 by 74.231.24.2
ouligetc
| Europium | |
|---|---|
| Eu | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 63 |
| Atomic mass: | 151.964 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 5.264 g/cm3 |
| melting point: | 1099K, 826°C, 1519°F |
| boiling point: | 1802K, 1529°C, 2784°F |
| Sr ← Y → Zr | |
| Sm ← Eu → Gd | |
| Pu ← Am → Cm | |
| Atomic radius (pm): | 185 |
| Bohr radius (pm): | 231 |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3)107 |
| 1st ion potential (eV): | 5.67 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 25, 8, 2 | |
| Electronegativity: | |
| Electron Affinity: | - |
| Oxidation states: | 3, 2 |
| Magnetism: | ? |
| Crystal structure: | Body centered cubic |
Europium is a Lanthanide metal.
It has a Body centered cubic crystalline structure.
This element has two stable isotopes: 151 and 153.
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