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	<title>Template:Infobox lead - Revision history</title>
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	<updated>2026-10-18T09:29:43Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
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		<title>imported&gt;DePiep: /* top */ |crystal structure comment=''a''=495.08&amp;nbsp;pm per talkpage requesdt</title>
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		<updated>2022-07-04T18:05:46Z</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; |crystal structure comment=&amp;#039;&amp;#039;a&amp;#039;&amp;#039;=495.08 pm per talkpage requesdt&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&lt;br /&gt;
|number=82&lt;br /&gt;
|symbol=Pb&lt;br /&gt;
|name=lead&lt;br /&gt;
|abundance=&lt;br /&gt;
|abundance in earth's crust=&lt;br /&gt;
|abundance in oceans=&lt;br /&gt;
|abundance in solar system=&lt;br /&gt;
|left=[[thallium]]&lt;br /&gt;
|right=[[bismuth]]&lt;br /&gt;
|above=[[tin|Sn]]&lt;br /&gt;
|below=[[flerovium|Fl]]&lt;br /&gt;
|image name=Lead electrolytic and 1cm3 cube.jpg&lt;br /&gt;
|appearance=metallic gray&lt;br /&gt;
|standard atomic weight ref={{sfn|Meija|Coplen|Berglund|Brand|2016}}&lt;br /&gt;
|electrons per shell=2, 8, 18, 32, 18, 4&lt;br /&gt;
|phase=&lt;br /&gt;
|density gpcm3nrt=11.34&lt;br /&gt;
|density gpcm3mp=10.66&lt;br /&gt;
|melting point K=600.61&lt;br /&gt;
|melting point C=327.46&lt;br /&gt;
|melting point F=621.43&lt;br /&gt;
|boiling point K=2022&lt;br /&gt;
|boiling point C=1749&lt;br /&gt;
|boiling point F=3180&lt;br /&gt;
|heat fusion=4.77&lt;br /&gt;
|heat vaporization=179.5&lt;br /&gt;
|heat capacity=26.650&lt;br /&gt;
|vapor pressure 1=978&lt;br /&gt;
|vapor pressure 10=1088&lt;br /&gt;
|vapor pressure 100=1229&lt;br /&gt;
|vapor pressure 1 k=1412&lt;br /&gt;
|vapor pressure 10 k=1660&lt;br /&gt;
|vapor pressure 100 k=2027&lt;br /&gt;
|vapor pressure comment=&lt;br /&gt;
|crystal structure=face-centered cubic&lt;br /&gt;
|crystal structure comment=''a''=495.08&amp;amp;nbsp;pm&lt;br /&gt;
|electronegativity=2.33 (in +4), 1.87 (in +2)&lt;br /&gt;
|number of ionization energies=3&lt;br /&gt;
|ionization energy 1=715.6&lt;br /&gt;
|ionization energy 2=1450.5&lt;br /&gt;
|ionization energy 3=3081.5&lt;br /&gt;
|atomic radius=175&lt;br /&gt;
|covalent radius=146±5&lt;br /&gt;
|Van der Waals radius=202&lt;br /&gt;
|magnetic ordering=[[diamagnetism|diamagnetic]]&lt;br /&gt;
|electrical resistivity unit prefix=n&lt;br /&gt;
|electrical resistivity at 20=208&lt;br /&gt;
|thermal conductivity=35.3&lt;br /&gt;
|thermal expansion at 25=28.9&lt;br /&gt;
|speed of sound rod at r.t.=1190&lt;br /&gt;
|speed of sound rod at r.t. comment=(annealed)&lt;br /&gt;
|magnetic susceptibility= {{val|−23.0|e=−6}}&lt;br /&gt;
|magnetic susceptibility ref= &amp;amp;#x20;(at 298&amp;amp;nbsp;K){{sfn|Weast|Astle|Beyer|1983|p=E110}}&lt;br /&gt;
|Young's modulus=16&lt;br /&gt;
|Shear modulus=5.6&lt;br /&gt;
|Bulk modulus=46&lt;br /&gt;
|Poisson ratio=0.44&lt;br /&gt;
|Mohs hardness=1.5&lt;br /&gt;
|Brinell hardness=38–50&lt;br /&gt;
|Brinell hardness comment=&lt;br /&gt;
|CAS number=7439-92-1&lt;br /&gt;
|isotopes=&lt;br /&gt;
{{infobox element/isotopes stable | mn=204 | sym=Pb | na=1.4% | n=122 |firstlinks=yes}}&lt;br /&gt;
&amp;lt;!--{{infobox element/isotopes decay | mn=205 | sym=Pb&lt;br /&gt;
|na=[[trace radioisotope|trace]] | hl=1.53×10&amp;lt;sup&amp;gt;7&amp;lt;/sup&amp;gt;&amp;amp;nbsp;y&lt;br /&gt;
|dm=ε | de=0.051 | link1=thallium-205 | pn=205 | ps=Tl}}--&amp;gt;&lt;br /&gt;
{{infobox element/isotopes stable | mn=206 | sym=Pb | na=24.1% | n=124 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=207 | sym=Pb | na=22.1% | n=125 |firstlinks=no}}&lt;br /&gt;
{{infobox element/isotopes stable | mn=208 | sym=Pb | na=52.4% | n=126 |firstlinks=no}}&lt;br /&gt;
&amp;lt;!--{{infobox element/isotopes decay | mn=210 | sym=Pb&lt;br /&gt;
|na=trace | hl=22.3&amp;amp;nbsp;y&lt;br /&gt;
|dm=[[Beta decay|β&amp;lt;sup&amp;gt;−&amp;lt;/sup&amp;gt;]] | de=0.064 | link1=bismuth-210 | pn=210 | ps=Bi}}--&amp;gt;&lt;br /&gt;
|isotopes comment=Isotopic abundances vary greatly by sample&lt;br /&gt;
|discovered by=[[Middle East]]&lt;br /&gt;
|discovery date=[[7000 BCE]]&lt;br /&gt;
|QID=Q708&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=Pb}}&lt;br /&gt;
{{Template reference list}}&lt;br /&gt;
{{documentation|1=Template:Infobox element/doc}}&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>imported&gt;DePiep</name></author>
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