https://traveller.m9s5ever.co.uk/index.php?action=history&feed=atom&title=Template%3AInfobox_berkelium 2026-10-18T09:11:23Z Revision history for this page on the wiki MediaWiki 1.38.7 https://traveller.m9s5ever.co.uk/index.php?title=Template:Infobox_berkelium&diff=938&oldid=prev 2021-05-31T16:37:17Z

<p><span dir="auto"><span class="autocomment">top: </span>rm unused parameter (read from dataset), removed: |category comment= , |group=n/a , |period=7 , |block=f</span></p> <p><b>New page</b></p><div>{{infobox element<br /> |engvar={{{engvar|}}}<br /> |name=berkelium<br /> |number=97<br /> |symbol=Bk<br /> |abundance=<br /> |abundance in earth's crust=<br /> |abundance in oceans=<br /> |abundance in solar system=<br /> |left=[[curium]]<br /> |right=[[californium]]<br /> |above=[[Terbium|Tb]]<br /> |below=(Upu)<br /> |appearance=silvery<br /> |image name=Berkelium metal.jpg<br /> |electrons per shell=2, 8, 18, 32, 27, 8, 2<br /> |phase=<br /> |phase comment=<br /> |density gplstp=<br /> |density gpcm3nrt=alpha: 14.78<br /> |density gpcm3nrt 2=beta: 13.25<br /> |density gpcm3mp=<br /> |melting point K=beta:&amp;nbsp;1259<br /> |melting point C=986<br /> |melting point F=1807<br /> |melting point comment=<br /> |boiling point K=beta:&amp;nbsp;2900<br /> |boiling point C=2627<br /> |boiling point F=4760<br /> |boiling point comment=<br /> |triple point K=<br /> |triple point kPa=<br /> |critical point K=<br /> |critical point MPa=<br /> |heat fusion=7.92<br /> |heat fusion comment=(calculated)<br /> |heat vaporization=<br /> |heat capacity=<br /> |vapor pressure 1=<br /> |vapor pressure 10=<br /> |vapor pressure 100=<br /> |vapor pressure 1 k=<br /> |vapor pressure 10 k=<br /> |vapor pressure 100 k=<br /> |vapor pressure comment=<br /> |crystal structure=double hexagonal close packed<br /> |electronegativity=1.3<br /> |number of ionization energies=1<br /> |ionization energy 1=601<br /> |atomic radius=170<br /> |covalent radius=<br /> |Van der Waals radius=<br /> |magnetic ordering=[[paramagnetic]]<br /> |electrical resistivity=<br /> |electrical resistivity at 0=<br /> |electrical resistivity at 20=<br /> |thermal conductivity=10<br /> |thermal conductivity 2=<br /> |thermal diffusivity=<br /> |thermal expansion=<br /> |thermal expansion at 25=<br /> |speed of sound=<br /> |speed of sound rod at 20=<br /> |speed of sound rod at r.t.=<br /> |magnetic susceptibility=<br /> |magnetic susceptibility ref=<br /> |Young's modulus=<br /> |Shear modulus=<br /> |Bulk modulus=<br /> |Poisson ratio=<br /> |Mohs hardness=<br /> |Vickers hardness=<br /> |Brinell hardness=<br /> |CAS number=7440-40-6<br /> |isotopes=<br /> {{infobox element/isotopes decay2 | mn=245 | sym=Bk<br /> |na=[[synthetic radioisotope|syn]] | hl=4.94&amp;nbsp;d<br /> |dm1=[[electron capture|ε]] | de1=0.810 | link1=curium-245 | pn1=245 | ps1=Cm<br /> |dm2=[[alpha emission|α]] | de2=6.455 | link2=americium-241 | pn2=241 | ps2=Am}}<br /> {{infobox element/isotopes decay2 | mn=246 | sym=Bk<br /> |na=syn | hl=1.8&amp;nbsp;d<br /> |dm1=α | de1=6.070 | link1=americium-242 | pn1=242 | ps1=Am<br /> |dm2=ε | de2=1.350 | link2=curium-246 | pn2=246 | ps2=Cm}}<br /> {{infobox element/isotopes decay | mn=247 | sym=Bk<br /> |na=syn | hl=1380&amp;nbsp;y<br /> |dm=α | de=5.889 | link1=americium-243 | pn=243 | ps=Am}}<br /> {{infobox element/isotopes decay | mn=248 | sym=Bk<br /> |na=syn | hl=&gt;300&amp;nbsp;y&lt;ref&gt;{{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 | bibcode = 1965NucPh..71..299M }}&lt;/ref&gt;<br /> |dm=α | de=5.803 | link1=americium-244 | pn=244 | ps=Am}}<br /> {{infobox element/isotopes decay3| mn=249 | sym=Bk<br /> |na=syn | hl=330&amp;nbsp;d<br /> |dm1=α | de1=5.526 | link1=americium-245 | pn1=245 | ps1=Am<br /> |dm2=[[spontaneous fission|SF]] | de2=– | pn2= | ps2=–<br /> |dm3=[[beta emission|β&lt;sup&gt;−&lt;/sup&gt;]] | de3=0.125 | link3=californium-249 | pn3=249 | ps3=Cf}}<br /> |isotopes comment=<br /> |naming=after [[Berkeley, California]], where it was discovered<br /> |discovered by=[[Lawrence Berkeley National Laboratory]]<br /> |discovery date=1949<br /> |QID=Q1882<br /> }}&lt;!--<br /> <br /> --&gt;&lt;noinclude&gt;<br /> {{Infobox element/element navigation|symbol=Bk}}<br /> {{Template reference list}}<br /> {{documentation|1=Template:Infobox element/doc}}<br /> &lt;/noinclude&gt;</div>

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