See soorce fer Template:Infobox berkelium

{{infobox element
|name=berkelium
|pronounce={{IPAc-en|b|ər|ˈ|k|iː|l|i|.|əm}}; less commonly: {{IPAc-en|ˈ|b|ɜr|k|l|i|.|əm}}
|pronounce 2={{respell|bər|KEE|lee-əm}}; {{respell|BERK|lee-əm}}
|number=97
|symbol=Bk
|left=[[curium]]
|right=[[californium]]
|above=[[Terbium|Tb]]
|below=(Uqe)
|category=actinide
|series comment=
|group=n/a
|period=7
|block=f
|series color=
|appearance=sillery
|image name=Berkelium metal.jpg
|image name comment=
|image name 2=
|image name 2 comment=
|atomic mass=(247)
|atomic mass 2=
|atomic mass comment=
|electron configuration=&#91;[[radon|Rn]]&#93; 5f<sup>9</sup> 7s<sup>2</sup>
|electrons per shell=2, 8, 18, 32, 27, 8, 2
|color=
|phase=solit
|phase comment=
|density gplstp=
|density gpcm3nrt=alpha: 14.78
|density gpcm3nrt 2=beta: 13.25
|density gpcm3mp=
|melting point K=beta:&nbsp;1259
|melting point C=986
|melting point F=1807
|melting point comment=
|boiling point K=beta:&nbsp;2900
|boiling point C=2627
|boiling point F=4760
|boiling point comment=
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=7.92
|heat fusion comment=(calculatit)
|heat vaporization=
|heat capacity=
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=
|vapor pressure 100 k=
|vapor pressure comment=
|crystal structure=dooble hexagonal close packed
|oxidation states=2, '''3''', 4
|oxidation states comment=
|electronegativity=1.3
|number of ionization energies=1
|ionization energy 1=601
|atomic radius=170
|covalent radius=
|Van der Waals radius=
|magnetic ordering=[[paramagnetic]]
|electrical resistivity=
|electrical resistivity at 0=
|electrical resistivity at 20=
|thermal conductivity=10
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=
|speed of sound rod at r.t.=
|Young's modulus=
|Shear modulus=
|Bulk modulus=
|Poisson ratio=
|Mohs hardness=
|Vickers hardness=
|Brinell hardness=
|CAS number=7440-40-6
|isotopes=
{{infobox element/isotopes decay2 | mn=245 | sym=Bk
 | na=[[synthetic radioisotope|syn]] | hl=[[1 E5 s|4.94&nbsp;d]]
 | dm1=[[electron captur|ε]] | de1=0.810 | link1=curium-245 | pn1=245 | ps1=Cm
 | dm2=[[alpha emission|α]] | de2=6.455 | link2=americium-241 | pn2=241 | ps2=Am}}
{{infobox element/isotopes decay2 | mn=246 | sym=Bk
 | na=syn | hl=1.8&nbsp;d
 | dm1=α | de1=6.070 | link1=americium-242 | pn1=242 | ps1=Am
 | dm2=ε | de2=1.350 | link2=curium-246 | pn2=246 | ps2=Cm}}
{{infobox element/isotopes decay | mn=247 | sym=Bk
 | na=syn | hl=[[1 E10 s|1380&nbsp;y]]
 | dm=α | de=5.889 | link1=americium-243 | pn=243 | ps=Am}}
{{infobox element/isotopes decay | mn=248 | sym=Bk
 | na=syn | hl=[[1 E9 s|>300&nbsp;y]]<ref>{{Cite journal | last1 = Milsted | first1 = J. | last2 = Friedman | first2 = A. M. | last3 = Stevens | first3 = C. M. | doi = 10.1016/0029-5582(65)90719-4 | title = The alpha half-life of berkelium-247; a new long-lived isomer of berkelium-248 | journal = Nuclear Physics | volume = 71 | issue = 2 | pages = 299 | year = 1965 | pmid =  | pmc = }}</ref>
 | dm=α | de=5.803 | link1=americium-244 | pn=244 | ps=Am}}
{{infobox element/isotopes decay3| mn=249 | sym=Bk
 | na=syn | hl=[[1 E7 s|330&nbsp;d]]
 | dm1=α | de1=5.526 | link1=americium-245 | pn1=245 | ps1=Am
 | dm2=[[spontaneous fission|SF]] | de2=– | pn2= | ps2=–
 | dm3=[[beta emission|β<sup>−</sup>]] | de3=0.125 | link3=californium-249 | pn3=249 | ps3=Cf}}
|isotopes comment=
|naming=after [[Berkeley, Californie]], whaur it was discovered
|discovered by=[[Lawrence Berkeley Naitional Laboratory]]
|discovery date=1949
}}<noinclude>
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>