Bohryo

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Bohrium
107Bh
Re ↑ Bh ↓ (Upe) Periodic table seaborgium ← bohrium → hassium
Panagway
unknown
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	bohrium, Bh, 107
Paglitok	i/ˈbɔəriəm/
Kategoriyang elemento	puthaw nga transisyon
Group, period, block	7, 7, d
Gibug-aton sa atomo	[270]
Kontorno sa elektron	[Rn] 5f14 6d5 7s2 (calculated)[1][2] 2, 8, 18, 32, 32, 13, 2 (predicted)
History
Pagkadiskobre	Gesellschaft für Schwerionenforschung (1981)
Physical properties
Phase	magahi (predicted)
Density (near r.t.)	37 (predicted)[2] g·cm−3
Atomic properties
Oxidation states	7, 5, 4, 3 (predicted)[2] (only bolded oxidation states are known experimentally)
Ionization energies (more)	1st: 742.9 (estimated)[2] kJ·mol−1
	2nd: 1688.5 (estimated)[2] kJ·mol−1
	3rd: 2566.5 (estimated)[2] kJ·mol−1
Atomic radius	128 (predicted)[2] pm
Covalent radius	141 (estimated)[3] pm
Miscellanea
CAS registry number	54037-14-8
Most stable isotopes
Main article: Isotopes of bohrium
iso NA half-life DM DE (MeV) DP 274Bh syn ~54 s[4] α 8.8 270Db 272Bh syn 9.8 s α 9.02 268Db 271Bh syn 1.2 s[5] α 9.35[5] 267Db 270Bh syn 61 s α 8.93 266Db 267Bh syn 17 s α 8.83 263Db only isotopes with half-lives over 1 second are included here
v t e · r

Ang bohryo (Iningles bohrium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Bh ug kaiphan nga atomik 107. Ang bohryo mao ang puthaw nga transisyon.

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: 1862. Bibcode:2002JChPh.116.1862J. doi:10.1063/1.1430256.
2. ↑ ^{2.0 2.1 2.2 2.3 2.4 2.5 2.6} Haire, Richard G. (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.{{cite book}}: CS1 maint: ref duplicates default (link)
3. ↑ Chemical Data. Bohrium - Bh, Royal Chemical Society
4. ↑ Oganessian, Yu. Ts.; Abdullin, F. Sh.; Bailey, P. D.; Benker, D. E.; Bennett, M. E.; Dmitriev, S. N.; Ezold, J. G.; Hamilton, J. H.; Henderson, R. A. (2010). "Synthesis of a New Element with Atomic Number Z=117". Physical Review Letters. 104. 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).)
5. ↑ ^{5.0 5.1} FUSHE (2012). "Synthesis of SH-nuclei" (PDF). Retrieved September 2012. {{cite web}}: Check date values in: |accessdate= (help)