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Boryo

Mula sa Wikipedia, ang malayang ensiklopedya
Huwag ikalito saBorium,Boron, orBarium.
Bohrium, 107Bh
Bohrium
Bigkas/ˈbɔːriəm/ ​(BOR-ee-əm)
Bilang na pangmasa[270] (unconfirmed: 278)
Bohrium satalahanayang peryodiko
HydrogenHelium
LithiumBerylliumBoronCarbonNitrogenOxygenFluorineNeon
SodiumMagnesiumAluminiumSiliconPhosphorusSulfurChlorineArgon
PotassiumCalciumScandiumTitaniumVanadiumChromiumManganeseIronCobaltNickelCopperZincGalliumGermaniumArsenicSeleniumBromineKrypton
RubidiumStrontiumYttriumZirconiumNiobiumMolybdenumTechnetiumRutheniumRhodiumPalladiumSilverCadmiumIndiumTinAntimonyTelluriumIodineXenon
CaesiumBariumLanthanumCeriumPraseodymiumNeodymiumPromethiumSamariumEuropiumGadoliniumTerbiumDysprosiumHolmiumErbiumThuliumYtterbiumLutetiumHafniumTantalumTungstenRheniumOsmiumIridiumPlatinumGoldMercury (element)ThalliumLeadBismuthPoloniumAstatineRadon
FranciumRadiumActiniumThoriumProtactiniumUraniumNeptuniumPlutoniumAmericiumCuriumBerkeliumCaliforniumEinsteiniumFermiumMendeleviumNobeliumLawrenciumRutherfordiumDubniumSeaborgiumBohriumHassiumMeitneriumDarmstadtiumRoentgeniumCoperniciumNihoniumFleroviumMoscoviumLivermoriumTennessineOganesson
Re
↑
Bh
↓
—
seaborgium ←bohrium →hassium
Atomikong bilang(Z)107
Group7
Period7
Block  d-block
Electron configuration[Rn] 5f14 6d5 7s2[1][2]
Electrons per shell2, 8, 18, 32, 32, 13, 2
Physical properties
Phaseat STPsolid(predicted)[3]
Density (near r.t.)26–27 g/cm3 (predicted)[4][5]
Atomic properties
Oxidation states(+3), (+4), (+5),+7[2][6] (Nakasaknong:prediksyon)
Ionization energies
  • 1st: 740 kJ/mol
  • 2nd: 1690 kJ/mol
  • 3rd: 2570 kJ/mol
  • (more) (all but first estimated)[2]
Atomic radiusempirical: 128 pm (predicted)[2]
Covalent radius141 pm (estimated)[7]
Other properties
Natural occurrencesintetiko
Crystal structure ​hexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for bohrium

(predicted)[3]
CAS Number54037-14-8
History
NamingafterNiels Bohr
DiscoveryGesellschaft für Schwerionenforschung (1981)
Isotopes of bohrium
Main isotopes[8]Decay
abun­dancehalf-life(t1/2)modepro­duct
267Bhsynth17 sα263Db
270Bhsynth2.4 minα266Db
271Bhsynth2.9 s[9]α267Db
272Bhsynth8.8 sα268Db
274Bhsynth40 s[10]α270Db
278Bhsynth11.5 min?[11]SF–
KategoryaKategorya: Bohrium
| references

AngBohrium oBoryo ay isangelementong pangkimika na mayroong simbolongBh atatomikong bilang na 107 (nasa posisyong 107 satalahanayang peryodiko, at ito ang pinaka mabigat na kasapi sa pangkat na 7 (VIIB). Isa itongelementong sintetiko na ang pinaka matatag na nakikilalangisotopo na270Bh, ay mayroongkalahating buhay na 61 mga segundo. Natiyak ng mga eksperimentong pangkimika na ang mahuhulang posisyon ng bohrium ay mayroon mas mabigat nahomologo sarhenium na nagkakaroon ng pormasyon o pagkakabuo ng isang matatag nakatayuan ng oksidasyon na +7.[12] Pinangalanan ang bohrium magmula kayNiels Bohr.

Mga sanggunian

[baguhin |baguhin ang wikitext]
  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. ↑2.02.12.22.3Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Sa Morss; Edelstein, Norman M.; Fuger, Jean (mga pat.).The Chemistry of the Actinide and Transactinide Elements (ika-3rd (na) edisyon). Dordrecht, The Netherlands:Springer Science+Business Media.ISBN 1-4020-3555-1.
  3. ↑3.03.1Östlin, 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 (ika-3rd (na) edisyon). p. 631.
  6. ↑Fricke, Burkhard (1975)."Superheavy elements: a prediction of their chemical and physical properties".Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding.21: 89–144.doi:10.1007/BFb0116498.ISBN 978-3-540-07109-9. Nakuha noong4 October 2013.
  7. ↑Chemical Data. Bohrium - Bh, Royal Chemical Society
  8. ↑Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021)."The NUBASE2020 evaluation of nuclear properties"(PDF).Chinese Physics C.45 (3): 030001.doi:10.1088/1674-1137/abddae.
  9. ↑FUSHE (2012)."Synthesis of SH-nuclei". Nakuha noongAugust 12, 2016.
  10. ↑Oganessian, Yuri Ts.; Abdullin, F. Sh.; Bailey, P. D.; atbp. (2010-04-09)."Synthesis of a New Element with Atomic NumberZ=117".Physical Review Letters.104 (142502). American Physical Society.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).)
  11. ↑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.
  12. ↑"Gas chemical investigation of bohrium (Bh, element 107)"Naka-arkibo 2008-02-28 saWayback Machine., Eichler et al.,GSI Annual Report 2000. Nakuha noong 2008-02-29
Talahanayang peryodiko
H He
LiBe BCNOFNe
NaMg AlSiPSClAr
KCa ScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSr YZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg
 
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