Lu
Lutetium
Element 71 · Lanthanide · Period 6, Group 3
Solid · Discovered 1907
Atomic Properties
| Atomic Number | 71 |
| Atomic Mass | 174.9667u |
| Electron Configuration | [Xe]6s2 4f14 5d1 |
| Electronegativity | 1.27Pauling |
| Atomic Radius | 221pm |
| Ionization Energy | 5.426eV |
| Oxidation States | +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1936K |
| Boiling Point | 3675K |
| Density | 9.84g/cm³ |
| Group Block | Lanthanide |
| Year Discovered | 1907 |