Wikipedia

Template:Infobox rutherfordium

Rutherfordium, 104Rf
Rutherfordium
PronunciationListeni/ˌrʌðərˈfɔːrdiəm/ ​(RUDH-ər-FOR-dee-əm)
Mass number[267]
Rutherfordium in the periodic cairt
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gowd Mercur (element) Thallium Leid (element) Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
Hf
↑
Rf
↓
(Uph)
lawrencium ← rutherfordium → dubnium
Atomic nummer (Z)104
Groupgroup 4
Periodperiod 7
Blockd-block
Element category  Transeetion metal
Electron confeeguration[Rn] 5f14 6d2 7s2[1][2]
Electrons per shell2, 8, 18, 32, 32, 10, 2
Pheesical properties
Phase at STPsolit (predictit)[3][2]
Meltin pynt2400 K ​(2100 °C, ​3800 °F) (predictit)[3][2]
Bylin pynt5800 K ​(5500 °C, ​9900 °F) (predictit)[3][2]
Density (near r.t.)23.2 g/cm3 (predictit)[3][2][4]
Atomic properties
Oxidation states(+2), (+3), +4[1][2][4] (Template:Engvar: prediction)
Ionisation energies
  • 1st: 579.9 kJ/mol
  • 2nd: 1389.4 kJ/mol
  • 3rd: 2296.4 kJ/mol
  • (more) (all estimated)[2]
Atomic radiusempirical: 150 pm (estimatit)[2]
Covalent radius157 pm (estimatit)[3]
Ither properties
Naitural occurrencesynthetic
Creestal structur ​hexagonal close-packed (hcp)
Hexagonal close-packed creestal structur for rutherfordium

(predicted)[5]
CAS Nummer53850-36-5
History
Naminafter Ernest Rutherford
DiskiveryJynt Institute for Nuclear Research (1964)
Main isotopes o rutherfordium
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct 261Rf syn 70 s[6] >80% α 257No
<15% ε 261Lr
<10% SF
263Rf syn 15 min[6] <100% SF
~30% α 259No
265Rf syn 1.0+1.2
−0.3 min​[7][8][9] 		SF
266Rf? syn 10? h SF?/α?
267Rf syn 1.3 h[6] SF
268Rf? syn 6? h SF?/α?
| references
style="text-align:left"|
in calc from C diff report ref
C 2100 — —
K 2400 2370 30 delta
F 3800 3810 -10 delta
WD Edit this at Wikidata
input C: 2100, K: 2400, F: 3800
comment (predictit)[3][2]
style="text-align:left"|
in calc from C diff report ref
C 5500 — —
K 5800 5770 30 delta
F 9900 9930 -30 delta
WD Edit this at Wikidata
input C: 5500, K: 5800, F: 9900
comment (predictit)[3][2]

References

Thir references will appear in the airticle, but this list appears anerly on this page.
  1. ↑ a b "Rutherfordium". Royal Chemical Society. Retrieved 21 September 2019.
  2. ↑ a b c d e f g h i j 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. ISBN 1-4020-3555-1.
  3. ↑ a b c d e f g Chemical Data. Rutherfordium - Rf, Royal Chemical Society
  4. ↑ a b c 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.
  5. ↑ 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.
  6. ↑ a b c Sonzogni, Alejandro. "Interactive Chart of Nuclides". National Nuclear Data Center: Brookhaven National Laboratory. Retrieved 6 Juin 2008.
  7. ↑ 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. PMID 21231101.
  8. ↑ http://cyclotron.tamu.edu/she2015/assets/pdfs/presentations/Utyonkov_SHE_2015_TAMU.pdf
  9. ↑ 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.
Taen frae "https://sco.wikipedia.org/w/index.php?title=Template:Infobox_rutherfordium&oldid=854365"