Compare Element Properties
| Property | Lr Lawrencium | ? N/A |
|---|---|---|
| Atomic number | 103 | N/A |
| Symbol | Lr | N/A |
| Name | Lawrencium | N/A |
| Category | actinide | N/A |
| Standard Atomic Weight | 262 u | N/A |
| Period | 7 | N/A |
| Group | 3 | N/A |
| Block | s | N/A |
| Phase at STP | solid | N/A |
| Electron configuration | [Rn]7s25f146d1 | N/A |
| Oxidation states | [3] | N/A |
| Electronegativity (Pauling) | N/A | N/A |
| Electron affinity | 0.315 eV | N/A |
| Density | 1.560000e+4 kg/m³ | N/A |
| Melting point | 1626.85 °C | N/A |
| Boiling point | -273.15 °C | N/A |
| Discovery year | 1961 | N/A |