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Rutherfordium,104Rf| Rutherfordium |
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| Pronunciation | 👁 Listen
i/ˌrʌðərˈfɔːrdiəm/(RUDH-ər-FOR-dee-əm) |
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| Mass number | [267] |
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| Rutherfordium in the periodic cairt |
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| Atomic nummer (Z) | 104 |
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| Group | group4 |
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| Period | period7 |
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| Block | d-block |
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| Element category | Transeetion metal |
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| Electron confeeguration | [Rn] 5f14 6d2 7s2[1][2] |
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| Electrons per shell | 2, 8, 18, 32, 32, 10, 2 |
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| Pheesical properties |
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| Phase atSTP | solit (predictit)[3][2] |
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| Meltinpynt | 2400K(2100°C,3800°F)(predictit)[3][2] |
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| Bylinpynt | 5800K(5500°C,9900°F)(predictit)[3][2] |
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| Density(nearr.t.) | 23.2g/cm3(predictit)[3][2][4] |
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| Atomic properties |
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| Oxidation states | (+2), (+3), +4[1][2][4] (Script error: No such module "Engvar".: prediction) |
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| Ionisation energies | - 1st:579.9kJ/mol
- 2nd:1389.4kJ/mol
- 3rd:2296.4kJ/mol
- (more)(all estimated)[2]
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| Atomic radius | empirical:150pm(estimatit)[2] |
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| Covalent radius | 157pm(estimatit)[3] |
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| Ither properties |
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| Naitural occurrence | synthetic |
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| Creestal structur | hexagonalclose-packed (hcp)
(predicted)[5] |
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| CAS Nummer | 53850-36-5 |
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| History |
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| Namin | after Ernest Rutherford |
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| Diskivery | Jynt Institute for Nuclear Research(1964) |
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| Main isotopes o rutherfordium |
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| |references |
Rutherfordium is a chemical element wi symbol Rf an atomic nummer 104, named tae gie mense tae physicist Ernest Rutherford.
- 1 2 "Rutherfordium". Royal Chemical Society. Retrieved 21 September 2019.
- 1 2 3 4 5 6 7 8 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN1-4020-3555-1.
- 1 2 3 4 5 Chemical Data. Rutherfordium - Rf, Royal Chemical Society
- 1 2 Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Retrieved 4 October 2013.
- ↑ Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
- 1 2 3 Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 6 Juin 2008.
- ↑ Ellison, P.; Gregorich, K.; Berryman, J.; Bleuel, D.; Clark, R.; Dragojević, I.; Dvorak, J.; Fallon, P.; et al. (2010). "New Superheavy Element Isotopes: 242Pu(48Ca,5n)285114". Physical Review Letters. 105 (18): 182701. Bibcode:2010PhRvL.105r2701E. doi:10.1103/PhysRevLett.105.182701. PMID21231101.
- ↑ http://cyclotron.tamu.edu/she2015/assets/pdfs/presentations/Utyonkov_SHE_2015_TAMU.pdf
- ↑ Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu. Ts.; Rykaczewski, K. P.; Abdullin, F. Sh.; Dmitriev, S. N.; Grzywacz, R. K.; Itkis, M. G.; Miernik, K.; Polyakov, A. N.; Roberto, J. B.; Sagaidak, R. N.; Shirokovsky, I. V.; Shumeiko, M. V.; Tsyganov, Yu. S.; Voinov, A. A.; Subbotin, V. G.; Sukhov, A. M.; Sabel'nikov, A. V.; Vostokin, G. K.; Hamilton, J. H.; Stoyer, M. A.; Strauss, S. Y. (15 September 2015). "Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239,240Pu + 48Ca reactions". Physical Review C. 92 (3). doi:10.1103/PhysRevC.92.034609.
