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	<id>https://traveller.m9s5ever.co.uk/index.php?action=history&amp;feed=atom&amp;title=Template%3AInfobox_cerium_isotopes</id>
	<title>Template:Infobox cerium isotopes - Revision history</title>
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	<updated>2026-10-18T10:37:25Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://traveller.m9s5ever.co.uk/index.php?title=Template:Infobox_cerium_isotopes&amp;diff=1252&amp;oldid=prev</id>
		<title>imported&gt;DePiep: /* top */rm depr parameters, not used this way, removed: |standard atomic weight=140.116(1)
, |conventional atomic weight=</title>
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		<updated>2021-10-26T13:01:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;top: &lt;/span&gt;rm depr parameters, not used this way, removed: |standard atomic weight=140.116(1) , |conventional atomic weight=&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{infobox element isotopes&lt;br /&gt;
|name=cerium&lt;br /&gt;
|symbol=Ce&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element isotopes/isotopes decay | mn=134 | sym=Ce&lt;br /&gt;
|na=[[synthetic radioisotope|syn]] | hl=[[1 E4 s|3.16&amp;amp;nbsp;d]]&lt;br /&gt;
|dm=[[electron capture|ε]] | de=0.500 | link1=lanthanum-134 | pn=134 | ps=La}}&lt;br /&gt;
{{infobox element isotopes/isotopes stable | mn=136 | sym=Ce | na=0.186% | n=78 |firstlinks=yes}}&lt;br /&gt;
{{infobox element isotopes/isotopes stable | mn=138 | sym=Ce | na=0.251% | n=80 |firstlinks=no}}&lt;br /&gt;
{{infobox element isotopes/isotopes decay | mn=139 | sym=Ce&lt;br /&gt;
|na=syn | hl=[[1 E5 s|137.640&amp;amp;nbsp;d]]&lt;br /&gt;
|dm=ε | de=0.278 | link1=lanthanum-139 | pn=139 | ps=La}}&lt;br /&gt;
{{infobox element isotopes/isotopes stable | mn=140 | sym=Ce | na=88.449% | n=82 |firstlinks=no}}&lt;br /&gt;
{{infobox element isotopes/isotopes decay | mn=141 | sym=Ce&lt;br /&gt;
|na=syn | hl=[[1 E5 s|32.501&amp;amp;nbsp;d]]&lt;br /&gt;
|dm=[[beta emission|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.581 | link1=praseodymium-141 | pn=141 | ps=Pr}}&lt;br /&gt;
{{infobox element isotopes/isotopes stable | mn=142 | sym=Ce&lt;br /&gt;
|na=11.114% | n=84 |firstlinks=no}}&lt;br /&gt;
{{infobox element isotopes/isotopes decay | mn=143 | sym=Ce&lt;br /&gt;
|na=syn | hl=[[1 E4 s|33.039&amp;amp;nbsp;h]]&lt;br /&gt;
|dm=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; | de=1.462 | link1=praseodymium-143 | pn=143 | ps=Pr}}&lt;br /&gt;
{{infobox element isotopes/isotopes decay | mn=144 | sym=Ce&lt;br /&gt;
|na=syn | hl=[[1 E5 s|284.893&amp;amp;nbsp;d]]&lt;br /&gt;
|dm=β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt; | de=0.319 | link1=praseodymium-144 | pn=144 | ps=Pr}}&lt;br /&gt;
|isotopes table footnote=&lt;br /&gt;
|standard atomic weight ref={{CIAAW2016}}&lt;br /&gt;
}}&amp;lt;!--&lt;br /&gt;
&lt;br /&gt;
--&amp;gt;&amp;lt;noinclude&amp;gt;&lt;br /&gt;
{{Infobox element/element navigation |symbol=Ce |footnote=}}&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
{{documentation|1=Template:Infobox element isotopes/doc}}&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>imported&gt;DePiep</name></author>
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