| Attribute | Value |
|---|---|
| Symbol | Tb |
| Standard state | Solid |
| Atomic mass | 158.92535 u |
| Electron configuration | [Xe]6s²4f⁹ |
| Oxidation states |
|
| Atomic radius (van der waals) | 221 pm |
| Ionization energy | 5.864 eV |
| Melting point | 1629 K |
| Boiling point | 3503 K |
| Density | 8.23 g/cm³ |
| Atomic number | 65 |
| Group name | Lanthanide |
| Discovered | 1843 year |
| Electronegativity (pauling scale) | Add |
| Electron affinity | Add |