Erbium
| Erbium | |
|---|---|
| Er | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 68 |
| Atomic mass: | 167.26 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 9.066 g/cm3 |
| melting point: | 1802K, 1529°C, 2784°F |
| boiling point: | 3141K, 2868°C, 5194°F |
| Sr ← Y → Zr | |
| Ho ← Er → Tm | |
| Es ← Fm → Md | |
| Atomic radius (pm): | 175 |
| Bohr radius (pm): | 226 |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3)100 |
| 1st ion potential (eV): | 6.11 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f12 5s2 5p6 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 30, 8, 2 | |
| Electronegativity: | 1.24 |
| Electron Affinity: | - |
| Oxidation states: | 3 |
| Magnetism: | ? |
| Crystal structure: | Hexagonal |
Erbium is a Lanthanide metal.
It has a Hexagonal crystalline structure.
This element has 6 stable isotopes: 162, 164, 166, 167, 168, and 170.
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