Template:Infobox bohrium

Bohrium, 107Bh
Bohrium
PronunciationListeni/ˈbɔːriəm/ (BOR-ee-əm)
Mass number[270] (unconfirmed: 278)
Bohrium 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
Re

Bh

(Uhu)
seaborgiumbohriumhassium
Atomic nummer (Z)107
Groupgroup 7
Periodperiod 7
Blockd-block
Element category  Transeetion metal
Electron confeeguration[Rn] 5f14 6d5 7s2[1][2]
Electrons per shell2, 8, 18, 32, 32, 13, 2
Pheesical properties
Phase at STPunknown phase (predictit)[3]
Density (near r.t.)37.1 g/cm3 (predictit)[2][4]
Atomic properties
Oxidation states(+3), (+4), (+5), +7[2][4] (Template:Engvar: prediction)
Ionisation energies
  • 1st: 740 kJ/mol
  • 2nd: 1690 kJ/mol
  • 3rd: 2570 kJ/mol
  • (more) (aw but first estimatit)[2]
Atomic radiusempirical: 128 pm (predictit)[2]
Covalent radius141 pm (estimatit)[5]
Ither properties
Naitural occurrencesynthetic
Creestal structurhexagonal close-packed (hcp)
Hexagonal close-packed creestal structur for bohrium

(predictit)[3]
CAS Nummer54037-14-8
History
Naminafter Niels Bohr
DiskiveryGesellschaft für Schwerionenforschung (1981)
Main isotopes o bohrium
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct
267Bh syn 17 s α 263Db
270Bh syn 1 min α 266Db
271Bh syn 1.5 s[6] α 267Db
272Bh syn 11 s α 268Db
274Bh syn 44 s[7] α 270Db


278Bh[8] syn 11.5 min? SF
| references

Check temperaturs Bh: na inpit for C, K, F.

Check temperaturs Bh: na inpit for C, K, F.

Bohrium
Sg ←
iso
107
Bh E
→ Hs
v · e

References

Thir references will appear in the airticle, but this list appears anerly on this page.
  1. Johnson, E.; Fricke, B.; Jacob, T.; Dong, C. Z.; Fritzsche, S.; Pershina, V. (2002). "Ionization potentials and radii of neutral and ionized species of elements 107 (bohrium) and 108 (hassium) from extended multiconfiguration Dirac–Fock calculations". The Journal of Chemical Physics. 116 (5): 1862–1868. Bibcode:2002JChPh.116.1862J. doi:10.1063/1.1430256.
  2. 2.0 2.1 2.2 2.3 2.4 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. 3.0 3.1 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.
  4. 4.0 4.1 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. Chemical Data. Bohrium - Bh, Royal Chemical Society
  6. FUSHE (2012). "Synthesis of SH-nuclei". Retrieved August 12, 2016.
  7. Oganessian, Yuri Ts.; Abdullin, F. Sh.; Bailey, P. D.; et al. (2010-04-09). "Synthesis of a New Element with Atomic Number Z=117". Physical Review Letters. American Physical Society. 104 (142502). Bibcode:2010PhRvL.104n2502O. doi:10.1103/PhysRevLett.104.142502. PMID 20481935. (gives life-time of 1.3 min based on a single event; conversion to half-life is done by multiplying with ln(2).)
  8. Hofmann, S.; Heinz, S.; Mann, R.; Maurer, J.; Münzenberg, G.; Antalic, S.; Barth, W.; Burkhard, H. G.; Dahl, L.; Eberhardt, K.; Grzywacz, R.; Hamilton, J. H.; Henderson, R. A.; Kenneally, J. M.; Kindler, B.; Kojouharov, I.; Lang, R.; Lommel, B.; Miernik, K.; Miller, D.; Moody, K. J.; Morita, K.; Nishio, K.; Popeko, A. G.; Roberto, J. B.; Runke, J.; Rykaczewski, K. P.; Saro, S.; Scheidenberger, C.; Schött, H. J.; Shaughnessy, D. A.; Stoyer, M. A.; Thörle-Popiesch, P.; Tinschert, K.; Trautmann, N.; Uusitalo, J.; Yeremin, A. V. (2016). "Review of even element super-heavy nuclei and search for element 120". The European Physics Journal A. 2016 (52). Bibcode:2016EPJA...52..180H. doi:10.1140/epja/i2016-16180-4.
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