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{{Infobox element
|engvar={{{engvar|}}}
|number=107
|symbol=Bh
|name=bohrium
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[seaborgium]]
|right=[[hassium]]
|above=[[rhenium|Re]]
|below=(Uhu)
|group=7
|period=7
|block=d
|appearance=
|mass number comment = (unconfirmed: 278)
|electrons per shell=2, 8, 18, 32, 32, 13, 2
|electrons per shell comment=
|phase=
|phase comment=''(predicted)''<ref name=hcp/>
|density gpcm3nrt=26–27
|density gpcm3nrt comment=''(predicted)''<ref name=density>{{cite journal |last1=Gyanchandani |first1=Jyoti |last2=Sikka |first2=S. K. |title=Physical properties of the 6 d -series elements from density functional theory: Close similarity to lighter transition metals |journal=Physical Review B |date=10 May 2011 |volume=83 |issue=17 |pages=172101 |doi=10.1103/PhysRevB.83.172101 }}</ref><ref name=kratz>{{cite book |last1=Kratz |last2=Lieser |title=Nuclear and Radiochemistry: Fundamentals and Applications |date=2013 |page=631 |edition=3rd}}</ref>
|crystal structure=hexagonal close-packed
|crystal structure comment=''(predicted)''<ref name=hcp>{{cite journal|doi=10.1103/PhysRevB.84.113104|title=First-principles calculation of the structural stability of 6d transition metals|year=2011|last1=Östlin|first1=A.|last2=Vitos|first2=L.|journal=Physical Review B|volume=84|issue=11|bibcode=2011PhRvB..84k3104O }}</ref>
|number of ionization energies=7
|ionization energy 1=740
|ionization energy comment=''(all but first estimated)''<ref name=Haire>{{cite book| title=The Chemistry of the Actinide and Transactinide Elements| editor1-last=Morss|editor2-first=Norman M.| editor2-last=Edelstein| editor3-last=Fuger|editor3-first=Jean| last1=Hoffman|first1=Darleane C. |last2=Lee |first2=Diana M. |last3=Pershina |first3=Valeria |chapter=Transactinides and the future elements| publisher= [[Springer Science+Business Media]]| year=2006| isbn=1-4020-3555-1| location=Dordrecht, The Netherlands| edition=3rd| ref=CITEREFHaire2006}}</ref>
|ionization energy 2=1690
|ionization energy 3=2570
|atomic radius=128
|atomic radius comment=''(predicted)''<ref name=Haire/>
|covalent radius=141
|covalent radius comment=''(estimated)''<ref name=rsc>[http://www.rsc.org/chemsoc/visualelements/pages/data/bohrium_data.html Chemical Data. Bohrium - Bh], Royal Chemical Society</ref>
|CAS number=54037-14-8
|magnetic susceptibility=
|magnetic susceptibility ref=
|isotopes=

{{infobox element/isotopes decay | mn=267 | sym=Bh | na=syn
|hl=17 s | dm=α | de=8.83 | link1=dubnium-263 | pn=263 | ps=Db}}

{{infobox element/isotopes decay | mn=270 | sym=Bh| na=syn
|hl=1 min | dm=α | de=8.93 | link1=dubnium-266 | pn=266 | ps=Db}}

{{infobox element/isotopes decay | mn=271 | sym=Bh | na=syn
|hl=1.5 s<ref name=Bh271>{{cite web |author=FUSHE |year=2012 |title=Synthesis of SH-nuclei |url=http://www.ensarfp7.eu/what-is-ensar/projects/ecos/workshops-meetings/fushe2012/summaries-and-talks-1/FUSHE2012_Oganessian.pdf/at_download/file|access-date=August 12, 2016}}</ref> |dm=α | de=9.35<ref name=Bh271 /> | link1=dubnium-267 | pn=267 | ps=Db}}

{{infobox element/isotopes decay | mn=272 | sym=Bh | na=syn
|hl=11 s | dm=α | de=9.02 | link1=dubnium-268 | pn=268 | ps=Db}}

{{infobox element/isotopes decay | mn=274 | sym=Bh | na=[[synthetic radioisotope|syn]]
|hl=44 s<ref name="274Bh">{{cite journal|last1=Oganessian |first1=Yuri Ts.|last2=Abdullin |first2=F. Sh.|last3=Bailey |first3=P. D.|last4=Benker |first4=D. E.|last5=Bennett |first5=M. E.|last6=Dmitriev |first6=S. N.|last7=Ezold |first7= J. G.|last8=Hamilton |first8= J. H.|last9=Henderson |first9= R. A. |title=Synthesis of a New Element with Atomic Number ''Z''=117 |date=2010-04-09 |journal=Physical Review Letters |publisher=American Physical Society |volume=104 |number=142502 |doi=10.1103/PhysRevLett.104.142502 |pmid=20481935 |bibcode=2010PhRvL.104n2502O |url=https://www.researchgate.net/publication/44610795_Synthesis_of_a_new_element_with_atomic_number_Z__117 |display-authors=3 }} (gives life-time of 1.3 min based on a single event; conversion to half-life is done by multiplying with ln(2).)</ref>
|dm=[[alpha decay|α]] | de=8.8 | link1=dubnium-270 | pn=270 | ps=Db}}

{{infobox element/isotopes decay | mn=278 |sym=Bh<ref name=Hofmann2016>{{cite journal |last=Hofmann |first=S. |last2=Heinz |first2=S. |first3=R. |last3=Mann |first4=J. |last4=Maurer |first5=G. |last5=Münzenberg |first6=S. |last6=Antalic |first7=W. |last7=Barth |first8=H. G. |last8=Burkhard |first9=L. |last9=Dahl |first10=K. |last10=Eberhardt |first11=R. |last11=Grzywacz |first12=J. H. |last12=Hamilton |first13=R. A. |last13=Henderson |first14=J. M. |last14=Kenneally |first15=B. |last15=Kindler |first16=I. |last16=Kojouharov |first17=R. |last17=Lang |first18=B. |last18=Lommel |first19=K. |last19=Miernik |first20=D. |last20=Miller |first21=K. J. |last21=Moody |first22=K. |last22=Morita |first23=K. |last23=Nishio |first24=A. G. |last24=Popeko |first25=J. B. |last25=Roberto |first26=J. |last26=Runke |first27=K. P. |last27=Rykaczewski |first28=S. |last28=Saro |first29=C. |last29=Scheidenberger |first30=H. J. |last30=Schött |first31=D. A. |last31=Shaughnessy |first32=M. A. |last32=Stoyer |first33=P. |last33=Thörle-Popiesch |first34=K. |last34=Tinschert |first35=N. |last35=Trautmann |first36=J. |last36=Uusitalo |first37=A. V. |last37=Yeremin |date=2016 |title=Review of even element super-heavy nuclei and search for element 120 |journal=The European Physics Journal A |volume=2016 |issue=52 |doi=10.1140/epja/i2016-16180-4|bibcode=2016EPJA...52..180H }}</ref> | na=[[synthetic radioisotope|syn]] |hl=11.5 min? | dm=[[spontaneous fission|SF]] |de= |link1= |pn= |ps=}}

|naming=after [[Niels Bohr]]
|discovered by=[[Gesellschaft für Schwerionenforschung]]
|discovery date=1981
|QID=Q1249
}}<noinclude>
{{Infobox element/element navigation|symbol=Bh}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

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setup>Jonesey95: Fix empty citation, unnamed or unsupported parameter, or invalid parameter value; see Help:CS1 errors