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Lawrencium
Chemical Properties & Compounds
| Symbol | Atomic Number | Atomic Weight | Melting Point | Boiling Point | Phase | Density | Classification |
| Lr | 103 | 262 | 1627 °C | Unknown | Solid | Unknown | Metal  |
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| General |
| Name, Symbol, Number |
lawrencium, Lr, 103 |
| Chemical series |
actinides |
| Group, Period, Block |
n/a, 7, d |
| Appearance |
unknown, probably silvery
white or metallic gray |
| Standard atomic weight |
(262) g·mol−1 |
| Electron configuration |
probably [Rn] 5f14 7s2 7p1 |
| Electrons per shell |
2, 8, 18, 32, 32, 8, 3 |
| Physical properties |
| Phase |
presumably a solid |
| Melting point |
1900 K
(1627 °C, 2961 °F) |
| Atomic properties |
| Oxidation states |
3 |
| Electronegativity |
1.3 (scale Pauling) |
| Ionization energies |
1st: 470 kJ/mol |
| Miscellaneous |
| CAS registry number |
22537-19-5 |
| Selected isotopes |
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| References |
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Lawrencium Compounds
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Source: Wikipedia article Lawrencium
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Chemistry Quick Facts