Ang Bohrium o Boryo ay isang elementong pangkimika na mayroong simbolong Bh at atomikong bilang na 107 (nasa posisyong 107 sa talahanayang peryodiko, at ito ang pinaka mabigat na kasapi sa pangkat na 7 (VIIB). Isa itong elementong sintetiko na ang pinaka matatag na nakikilalang isotopo na 270Bh, ay mayroong kalahating buhay na 61 mga segundo. Natiyak ng mga eksperimentong pangkimika na ang mahuhulang posisyon ng bohrium ay mayroon mas mabigat na homologo sa rhenium na nagkakaroon ng pormasyon o pagkakabuo ng isang matatag na katayuan ng oksidasyon na +7.[10] Pinangalanan ang bohrium magmula kay Niels Bohr.

Boryo, 107Bh
Boryo
Bigkas sa Ingles /ˈbɔːriəm/ (BOR-ee-əm)
Bilang na pangmasa[270] (unconfirmed: 278)
Boryo sa talahanayang peryodiko
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 Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver 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 Gold Mercury (element) Thallium Lead 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 Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Re

Bh

(Uhu)
seaborgiumboryohassium
Atomikong bilang (Z)107
Pangkatpangkat 7
Peryodoperyodo 7
Bloke  d-block
Konpigurasyon ng elektron[Rn] 5f14 6d5 7s2[1][2]
Mga elektron bawat kapa2, 8, 18, 32, 32, 13, 2
Katangiang pisikal
Pase sa STPdi alam na pase (predicted)[3]
Densidad (malapit sa r.t.)26–27 g/cm3 (predicted)[4][5]
Katangiang atomiko
Mga estado ng oksidasyon(+3), (+4), (+5), +7[2]Padron:Fricke1975 (Nakasaknong: prediksyon)
Mga enerhiyang ionisasyon
  • Una: 740 kJ/mol
  • Ikalawa: 1690 kJ/mol
  • Ikatlo: 2570 kJ/mol
  • (marami pa) (all but first estimated)[2]
Radyong atomikoemperiko: 128 pm (predicted)[2]
Radyong Kobalente141 pm (estimated)[6]
Ibang katangian
Likas na paglitawsintetiko
Kayarian ng krystalhexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for boryo

(predicted)[3]
Bilang ng CAS54037-14-8
Kasaysayan
Pagpapangalanafter Niels Bohr
PagkakatuklasGesellschaft für Schwerionenforschung (1981)
Pangunahing isotopo ng boryo
Iso­topo Abudansya Half-life (t1/2) Paraan ng pagkabulok Produkto
267Bh syn 17 s α 263Db
270Bh syn 1 min α 266Db
271Bh syn 1.5 s[7] α 267Db
272Bh syn 11 s α 268Db
274Bh syn 44 s[8] α 270Db


278Bh[9] syn 11.5 min? SF
Kategorya Kategorya: Boryo

Mga sanggunian baguhin

  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 Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (mga pat.). The Chemistry of the Actinide and Transactinide Elements (3rd pat.). 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. Gyanchandani, Jyoti; Sikka, S. K. (10 May 2011). "Physical properties of the 6 d -series elements from density functional theory: Close similarity to lighter transition metals". Physical Review B. 83 (17): 172101. doi:10.1103/PhysRevB.83.172101.
  5. Kratz; Lieser (2013). Nuclear and Radiochemistry: Fundamentals and Applications (3rd pat.). p. 631.
  6. Chemical Data. Bohrium - Bh, Royal Chemical Society
  7. FUSHE (2012). "Synthesis of SH-nuclei". Nakuha noong August 12, 2016.
  8. 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).)
  9. 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.
  10. "Gas chemical investigation of bohrium (Bh, element 107)" Naka-arkibo 2008-02-28 sa Wayback Machine., Eichler et al., GSI Annual Report 2000. Nakuha noong 2008-02-29