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Rutherfordium
Chemical Properties & Compounds
| Symbol | Atomic Number | Atomic Weight | Melting Point | Boiling Point | Phase | Density | Classification |
| Rf | 104 | 261 | Unknown | Unknown | Solid | Unknown | Metal  |
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| General |
| Name, Symbol, Number |
rutherfordium, Rf, 104 |
| Chemical series |
transition metals |
| Group, Period, Block |
4, 7, d |
| Standard atomic weight |
(265) g·mol−1 |
| Electron configuration |
probably [Rn] 5f14 6d2 7s2 |
| Electrons per shell |
2, 8, 18, 32, 32, 10, 2 |
| Physical properties |
| Phase |
presumably a solid |
| Density (near r.t.) |
23 (est.) g·cm−3 |
| Atomic properties |
| Crystal structure |
cubic body centered |
| Oxidation states |
3, 4 |
| Ionization energies |
1st: 580 kJ/mol |
| Atomic radius (calc.) |
150 pm |
| Covalent radius |
74 (calc.) pm |
| Miscellaneous |
| CAS registry number |
53850-36-5 |
| Selected isotopes |
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| References |
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Rutherfordium Compounds
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Source: Wikipedia article Rutherfordium
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Chemistry Quick Facts