Tb
Terbium
Element 65 · Lanthanide · Period 6, Group 11
Solid · Discovered 1843
Atomic Properties
| Atomic Number | 65 |
| Atomic Mass | 158.92535u |
| Electron Configuration | [Xe]6s2 4f9 |
| Atomic Radius | 221pm |
| Ionization Energy | 5.864eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1629K |
| Boiling Point | 3503K |
| Density | 8.23g/cm³ |
| Group Block | Lanthanide |
| Year Discovered | 1843 |