https://catalog.jinharsh.co.in/index.php?action=history&feed=atom&title=Template%3AInfobox_radium 2026-05-03T11:42:53Z Revision history for this page on the wiki MediaWiki 1.35.1 https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_radium&diff=11198&oldid=prev 2021-04-16T04:02:03Z

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Admin https://catalog.jinharsh.co.in/index.php?title=Template:Infobox_radium&diff=11197&oldid=prev 2019-10-05T14:54:03Z

<p><span dir="auto"><span class="autocomment">top: </span>rm parameters electron configuration, oxidation states: now read via data central, removed: |oxidation states=&#039;&#039;&#039;2&#039;&#039;&#039; (2), |electron configuration=[<a href="/index.php?title=Radon&amp;action=edit&amp;redlink=1" class="new" title="Radon (page does not exist)">Rn</a>] 7s&lt;sup&gt;2&lt;/sup&gt;</span></p> <p><b>New page</b></p><div>{{Infobox element<br /> |number=88<br /> |symbol=Ra<br /> |name=radium<br /> |abundance=<br /> |abundance in earth's crust=<br /> |abundance in oceans=<br /> |abundance in solar system=<br /> |left= [[francium]]<br /> |right=[[actinium]]<br /> |above=[[barium|Ba]]<br /> |below=([[Unbinilium|Ubn]])<br /> |group=2<br /> |period=7<br /> |block=s<br /> |image name=Radium226.jpg<br /> |appearance=silvery white metallic<br /> |electrons per shell=2, 8, 18, 32, 18, 8, 2<br /> |phase=<br /> |density gpcm3nrt=5.5<br /> |melting point K=973<br /> |melting point C=700<br /> |melting point F=1292<br /> |melting point comment=''(disputed)''<br /> |boiling point K=2010<br /> |boiling point C=1737<br /> |boiling point F=3159<br /> |heat fusion=8.5<br /> |heat vaporization=113<br /> |vapor pressure 1=819<br /> |vapor pressure 10=906<br /> |vapor pressure 100=1037<br /> |vapor pressure 1 k=1209<br /> |vapor pressure 10 k=1446<br /> |vapor pressure 100 k=1799<br /> |vapor pressure comment=<br /> |crystal structure=body-centered cubic<br /> |electronegativity=0.9<br /> |number of ionization energies=2<br /> |ionization energy 1=509.3<br /> |ionization energy 2=979.0<br /> |covalent radius=221±2<br /> |Van der Waals radius=283<br /> |magnetic ordering=nonmagnetic<br /> |electrical resistivity unit prefix=µ<br /> |electrical resistivity at 20=1<br /> |thermal conductivity=18.6<br /> |CAS number=7440-14-4<br /> |magnetic susceptibility=<br /> |magnetic susceptibility ref=<br /> |isotopes=<br /> {{infobox element/isotopes decay | mn=223 | sym=Ra<br /> |na=[[trace radioisotope|trace]] | hl=11.43&amp;nbsp;d<br /> |dm=[[alpha emission|α]] | de=5.99 | link1=radon-219 | pn=219 | ps=Rn}}<br /> {{infobox element/isotopes decay | mn=224 | sym=Ra<br /> |na=trace | hl=3.6319&amp;nbsp;d<br /> |dm=α | de=5.789 | link1=radon-220 | pn=220 | ps=Rn}}<br /> {{infobox element/isotopes decay | mn=225 | sym=Ra<br /> |na=trace | hl=14.9&amp;nbsp;d<br /> |dm=[[beta emission|β&lt;sup&gt;−&lt;/sup&gt;]] | de=0.356 | link1=actinium-225 | pn=225 | ps=Ac}}<br /> {{infobox element/isotopes decay | mn=226 | sym=Ra<br /> |na=trace | hl=1600&amp;nbsp;y<br /> |dm=α | de=4.871 | link1=radon-222 | pn=222 | ps=Rn}}<br /> {{infobox element/isotopes decay | mn=228 | sym=Ra<br /> |na=trace | hl=5.75&amp;nbsp;y<br /> |dm=β&lt;sup&gt;−&lt;/sup&gt; | de=0.046 | link1=actinium-228 | pn=228 | ps=Ac}}<br /> |isotopes comment=<br /> |discovered by=[[Pierre Curie|Pierre]] and [[Marie Curie]]<br /> |discovery date=1898<br /> |first isolation by=Marie Curie<br /> |first isolation date=1910<br /> |QID=Q1128<br /> }}&lt;!--<br /> <br /> --&gt;&lt;noinclude&gt;<br /> {{Infobox element/element navigation|symbol=Ra}}<br /> {{Template reference list}}<br /> {{documentation|1=Template:Infobox element/doc}}<br /> &lt;/noinclude&gt;</div>

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