https://traveller.m9s5ever.co.uk/index.php?action=history&feed=atom&title=Template%3AInfobox_praseodymium 2026-10-18T06:17:59Z Revision history for this page on the wiki MediaWiki 1.38.7 https://traveller.m9s5ever.co.uk/index.php?title=Template:Infobox_praseodymium&diff=952&oldid=prev 2021-05-31T18:14:42Z

<p><span dir="auto"><span class="autocomment">top: </span>rm unused parameter (read from dataset), removed: |period=6 , |block=f</span></p> <p><b>New page</b></p><div>{{Infobox element<br /> |number=59<br /> |symbol=Pr<br /> |name=praseodymium<br /> |abundance=<br /> |abundance in earth's crust=<br /> |abundance in oceans=<br /> |abundance in solar system=<br /> |left=[[cerium]]<br /> |right=[[neodymium]]<br /> |above=–<br /> |below=[[protactinium|Pa]]<br /> |image name=Praseodymium.jpg<br /> |appearance=grayish white<br /> |electrons per shell=2, 8, 18, 21, 8, 2<br /> |phase=<br /> |density gpcm3nrt=6.77<br /> |density gpcm3mp=6.50<br /> |melting point K=1208<br /> |melting point C=935<br /> |melting point F=1715<br /> |boiling point K=3403<br /> |boiling point C=3130<br /> |boiling point F=5666<br /> |heat fusion=6.89<br /> |heat vaporization=331<br /> |heat capacity=27.20<br /> |vapor pressure 1=1771<br /> |vapor pressure 10=1973<br /> |vapor pressure 100= (2227)<br /> |vapor pressure 1 k= (2571)<br /> |vapor pressure 10 k= (3054)<br /> |vapor pressure 100 k= (3779)<br /> |vapor pressure comment=<br /> |crystal structure=double hexagonal close packed<br /> |electronegativity=1.13<br /> |number of ionization energies=3<br /> |ionization energy 1=527<br /> |ionization energy 2=1020<br /> |ionization energy 3=2086<br /> |atomic radius=182<br /> |covalent radius=203±7<br /> |magnetic ordering=[[paramagnetic]]<br /> |magnetic ordering ref=&lt;ref name=jackson&gt;{{cite journal|author=Jackson, M. |year=2000|title=Magnetism of Rare Earth|url=http://www.irm.umn.edu/quarterly/irmq10-3.pdf |journal=The IRM quarterly |volume=10|issue=3|page=1}}&lt;/ref&gt;<br /> |electrical resistivity unit prefix=µ<br /> |electrical resistivity=α,&amp;nbsp;poly: 0.700<br /> |electrical resistivity comment=(at&amp;nbsp;{{abbr|r.t.|room temperature}})<br /> |thermal conductivity=12.5<br /> |thermal expansion=α, poly: 6.7<br /> |thermal expansion comment=(at&amp;nbsp;{{abbr|r.t.|room temperature}})<br /> |speed of sound rod at 20=2280<br /> |magnetic susceptibility= {{val|+5010.0|e=−6}}<br /> |magnetic susceptibility ref= &amp;#x20;(293&amp;nbsp;K)&lt;ref&gt;{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}&lt;/ref&gt;<br /> |Young's modulus=α&amp;nbsp;form: 37.3<br /> |Shear modulus=α&amp;nbsp;form: 14.8<br /> |Bulk modulus=α&amp;nbsp;form: 28.8<br /> |Poisson ratio=α&amp;nbsp;form: 0.281<br /> |Vickers hardness=250–745<br /> |Brinell hardness=250–640<br /> |CAS number=7440-10-0<br /> |isotopes=<br /> {{infobox element/isotopes stable | mn=141 | sym=Pr | na=100% | n=82 |firstlinks=yes}}<br /> {{infobox element/isotopes decay2 | mn=142 | sym=Pr<br /> |na=[[synthetic radioisotope|syn]] | hl=19.12&amp;nbsp;h<br /> |dm1=[[beta minus decay|β&lt;sup&gt;−&lt;/sup&gt;]] | de1=2.162 | link1=neodymium-142 | pn1=142 | ps1=Nd<br /> |dm2=[[electron capture|ε]] | de2=0.745 | link2=cerium-142 | pn2=142 | ps2=Ce}}<br /> {{infobox element/isotopes decay | mn=143 | sym=Pr<br /> |na=syn | hl=13.57&amp;nbsp;d<br /> |dm=β&lt;sup&gt;−&lt;/sup&gt; | de=0.934 | link1=neodymium-143 | pn=143 | ps=Nd}}<br /> |isotopes comment=<br /> |discovered by=[[Carl Auer von Welsbach]]<br /> |discovery date=1885<br /> |QID=Q1386<br /> }}&lt;!--<br /> <br /> --&gt;&lt;noinclude&gt;<br /> {{Infobox element/element navigation|symbol=Pr}}<br /> {{Template reference list}}<br /> {{documentation|1=Template:Infobox element/doc}}<br /> &lt;/noinclude&gt;</div>

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