Terbium
(Redirected from Tb)
| Terbium | |
|---|---|
| Tb | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 65 |
| Atomic mass: | 158.92534 |
| group: | 19 |
| period: | N/A |
| normal phase: | Solid |
| series: | Lanthanide |
| density: | 8.23 g/cm3 |
| melting point: | 1629K, 1356°C, 2473°F |
| boiling point: | 3503K, 3230°C, 5846°F |
| Sr ← Y → Zr | |
| Gd ← Tb → Dy | |
| Cm ← Bk → Cf | |
| Atomic radius (pm): | 175 |
| Bohr radius (pm): | 225 |
| Covalent radius (pm): | |
| Van der Waals radius (pm): | |
| ionic radius (pm): | (+3)118 |
| 1st ion potential (eV): | 5.86 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f7 5s2 5p6 5d1 6s2 | |
| Electrons Per Shell | |
| 2, 8, 18, 27, 8, 2 | |
| Electronegativity: | |
| Electron Affinity: | - |
| Oxidation states: | 3, 4 |
| Magnetism: | Cryogenic Ferromagnetism |
| Crystal structure: | Hexagonal |
Terbium is a Lanthanide metal.
It has a Hexagonal crystalline structure.
This element has a stable isotope of 159
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