| Property | Value |
|---|---|
| Atomic number | 65 |
| Atomic weight | 158.925352 amu |
| Element family | N/A |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 159Tb: 100% |
| Previous element | Gadolinium |
| Next element | Dysprosium |
| Density | 8.229 g/cm3 (STP) |
| Melting | 1357 °C |
| Boiling | 3041 °C |
| Covalent radius | 1.68 Å |
| Ionic radius | 0.923 Å |
| Metallic radius | 1.773 Å |
| First ionization potential | 5.864 eV |
| Electron affinity | 0.131 eV |
| Electronegativity | 1.1 |
| Discovery year | 1843 |
| Sample compounds |
|---|
| TbF3 |
Terbium is an element number 65 from n/a family. Its symbol is Tb. Terbium atomic weight is 158.925352 amu. Tb stable and long lived isotopes are 159Tb: 100%. Terbium electronic configuration is 1s22s22p63s23p63d104s24p64d105s25p66s24f9. Sample compounds that contain Terbium are TbF3.
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