Characteristics of the element
| Symbol: Lr |
| Name: Lawrencium |
| Latin name: Lawrencium |
| Atomic number: 103 |
| Atomic mass: 262 |
| Melting point: 1627 (°C) |
| Boiling point: ----- (°C) |
| Density ----- (g/cm 3 ) |
| Electronegativity: 1,2 |
| Oxidation number: III |
| Number of neutrons: 159 |
| Crystal structure: --- |
| Chemical serie: Rare earth elements |
| Color: ----- |
| Electron configuration: 2-8-18-32-32-9-2 |
| Year of discovery:: 1961 |
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Update: 26.11.25
Update: 26.11.25