Template:Infobox berkelium

{{infobox element

|engvar ={{{engvar|}}}

|name =berkelium

|symbol =Bk

|Z =97

|number =97

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=curium

|right=californium

|above=Tb

|below=—

|appearance=silvery

|image name=Berkelium metal.jpg

|electrons per shell=2, 8, 18, 32, 27, 8, 2

|phase=

|phase comment=

|density gplstp=

|density gpcm3nrt=alpha: 14.78

|density gpcm3nrt 2=beta: 13.25

|density gpcm3mp=

|melting point K=beta: 1259

|melting point C=986

|melting point F=1807

|melting point comment=

|boiling point K=beta: 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=(calculated)

|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=double hexagonal close packed

|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.=

|magnetic susceptibility=

|magnetic susceptibility ref=

|Young's modulus=

|Shear modulus=

|Bulk modulus=

|Poisson ratio=

|Mohs hardness=

|Vickers hardness=

|Brinell hardness=

|CAS number=7440-40-6

|naming=after Berkeley, California, where it was discovered

|discovered by=Lawrence Berkeley National Laboratory

|discovery date=1949

|QID=Q1882

}}

{{Infobox element/element navigation|symbol=Bk}}

{{Template reference list}}

{{documentation|1=Template:Infobox element/doc}}