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Lr
Lawrencium
#103 · Actinide
| Mass | 266.12 u |
| Density | 15.6 g/cm³ |
| Melting | 1900.0 K |
| Electronegativity | 1.3 |
| Ionization Energy | 470.0 kJ/mol |
| Block | d-block |
| State (RT) | Solid |
| Config | [Rn] 5f14 7s2 7p1 |