Bohrium

Bohrium, ₁₀₇Bh
Sifat umum
Nama, simbol	bohrium, Bh
Pengucapan	i/ˈbɔəriəm/
Bohrium di tabel periodik
	seaborgium ← bohrium → hasium
Nomor atom (Z)	107
Golongan, blok	golongan 7, blok-d
Periode	periode 7
Kategori unsur	logam transisi
Bobot atom standar (Ar)
Konfigurasi elektron	[Rn] 5f14 6d5 7s2
per kelopak	2, 8, 18, 32, 32, 13, 2
Sifat fisika
Fase	padat (prediksi)
Kepadatan mendekati s.k.	37.1 g/cm3 (prediksi)
Sifat atom
Bilangan oksidasi	7, (5), (4), (3) (parenthesized oxidation states are predictions)
Energi ionisasi	ke-1: 742.9 kJ/mol ; ke-2: 1688.5 kJ/mol ; ke-3: 2566.5 kJ/mol ; (artikel) (seluruhnya estimasi kecuali yang pertama)
Jari-jari atom	empiris: 128 pm (prediksi)
Jari-jari kovalen	141 pm (estimasi)
Lain-lain
Struktur kristal	susunan padat heksagon (hcp) ; (prediksi)
Nomor CAS	54037-14-8
Sejarah
Penamaan	after Niels Bohr
Penemuan	Gesellschaft für Schwerionenforschung (1981)
Isotop bohrium terstabil
	lihat; bicara; sunting; \| referensi \| di Wikidata

Bohrium (pengucapan: /ˈbɔəriəm/) adalah unsur kimia sintetik dalam sistem periodik unsur yang memiliki lambang Bh dan nomor atom 107. Nama elemen ini bertujuan untuk mengenang Niels Bohr, penemu orbit elektron.

ReferensiSunting

^ 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.
^ ^a ^b ^c ^d ^e Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Dalam Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.
^ ^a ^b 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.
^ ^a ^b 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. Diakses tanggal 4 October 2013.
^ Chemical Data. Bohrium - Bh, Royal Chemical Society
^ 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). doi:10.1140/epja/i2016-16180-4.
^ 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).)
^ FUSHE (2012). "Synthesis of SH-nuclei". Diakses tanggal August 12, 2016.

Pranala luarSunting

Artikel bertopik kimia ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya.

[ioniz-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.

[Haire-2] Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Dalam Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1.

[hcp-3] 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.

[BFricke-4] 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. Diakses tanggal 4 October 2013.

[rsc-5] Chemical Data. Bohrium - Bh, Royal Chemical Society

[Hofmann2016-6] 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). doi:10.1140/epja/i2016-16180-4.

[274Bh-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).)

[Bh271-8] FUSHE (2012). "Synthesis of SH-nuclei". Diakses tanggal August 12, 2016.

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