https://test.indicwiki.in/index.php?action=history&feed=atom&title=Template%3AInfobox_lead%2Fsandbox 2026-10-26T19:29:17Z Revision history for this page on the wiki MediaWiki 1.36.1 https://test.indicwiki.in/index.php?title=Template:Infobox_lead/sandbox&diff=11969&oldid=prev 2022-05-23T05:42:52Z

<p>Created page with &quot;{{infobox element |number=82 |symbol=Pb |name=lead |main isotopes=<a href="/index.php?title=Isotopes_of_lead&amp;action=edit&amp;redlink=1" class="new" title="Isotopes of lead (page does not exist)">lead-204</a>, lead-206, lead-207, lead-208 |pronounce={{IPAc-en|ˈ|l|ɛ|d}} |pronounce 2={{r...&quot;</p> <p><b>New page</b></p><div>{{infobox element<br /> |number=82<br /> |symbol=Pb<br /> |name=lead<br /> |main isotopes=[[Isotopes of lead|lead-204]], lead-206, lead-207, lead-208<br /> |pronounce={{IPAc-en|ˈ|l|ɛ|d}}<br /> |pronounce 2={{respell|LED|'}}<br /> |abundance=<br /> |abundance in earth's crust=<br /> |abundance in oceans=<br /> |abundance in solar system=<br /> |left=[[thallium]]<br /> |right=[[bismuth]]<br /> |above=[[tin|Sn]]<br /> |below=[[flerovium|Fl]]<br /> |category=post-transition metal<br /> |category comment=<br /> |group=14<br /> |period=6<br /> |block=p<br /> |image name=Lead electrolytic and 1cm3 cube.jpg<br /> |image name comment=<br /> |appearance=metallic gray<br /> |atomic mass=207.2<br /> |atomic mass ref={{sfn|Meija|Coplen|Berglund|Brand|2016}}<br /> |atomic mass 2=1<br /> |atomic mass comment=<br /> |electron configuration=&amp;#91;[[xenon|Xe]]&amp;#93; 4f&lt;sup&gt;14&lt;/sup&gt; 5d&lt;sup&gt;10&lt;/sup&gt; 6s&lt;sup&gt;2&lt;/sup&gt; 6p&lt;sup&gt;2&lt;/sup&gt;<br /> |electrons per shell=2, 8, 18, 32, 18, 4<br /> |phase=solid<br /> |density gpcm3nrt=11.34<br /> |density gpcm3mp=10.66<br /> |melting point K=600.61<br /> |melting point C=327.46<br /> |melting point F=621.43<br /> |boiling point K=2022<br /> |boiling point C=1749<br /> |boiling point F=3180<br /> |heat fusion=4.77<br /> |heat vaporization=179.5<br /> |heat capacity=26.650<br /> |vapor pressure 1=978<br /> |vapor pressure 10=1088<br /> |vapor pressure 100=1229<br /> |vapor pressure 1 k=1412<br /> |vapor pressure 10 k=1660<br /> |vapor pressure 100 k=2027<br /> |vapor pressure comment=<br /> |crystal structure=face-centered cubic<br /> |oxidation states='''4''', 3, '''2''', 1, −1, −2, −4<br /> |oxidation states comment=(an [[Amphoterism|amphoteric]] oxide)<br /> |electronegativity=1.87 (+2)<br /> |number of ionization energies=3<br /> |ionization energy 1=715.6<br /> |ionization energy 2=1450.5<br /> |ionization energy 3=3081.5<br /> |atomic radius=175<br /> |covalent radius=146±5<br /> |Van der Waals radius=202<br /> |magnetic ordering=[[diamagnetism|diamagnetic]]<br /> |electrical resistivity unit prefix=n<br /> |electrical resistivity at 20=208<br /> |thermal conductivity=35.3<br /> |thermal expansion at 25=28.9<br /> |speed of sound rod at r.t.=1190<br /> |speed of sound rod at r.t. comment=(annealed)<br /> |magnetic susceptibility= &amp;minus;23.0·10&lt;sup&gt;−6&lt;/sup&gt;<br /> |magnetic susceptibility ref= &amp;#x20;(at 298&amp;nbsp;K){{sfn|Weast|Astle|Beyer|1983|p=E110}}<br /> |Young's modulus=16<br /> |Shear modulus=5.6<br /> |Bulk modulus=46<br /> |Poisson ratio=0.44<br /> |Mohs hardness=1.5<br /> |Brinell hardness=38–50<br /> |Brinell hardness comment=<br /> |CAS number=7439-92-1<br /> |isotopes=<br /> {{infobox element/isotopes decay | mn=202 | sym=Pb<br /> | na=[[synthetic radioisotope|syn]] | hl=53000&amp;nbsp;y<br /> | dm=[[electron capture|ε]] | de=0.0497 | link1=thallium-202 | pn=202 | ps=Tl}}<br /> {{infobox element/isotopes stable | mn=204 | sym=Pb | na=1.4% | n=122 |firstlinks=yes}}<br /> {{infobox element/isotopes decay | mn=205 | sym=Pb<br /> | na=[[trace radioisotope|trace]] | hl=1.53×10&lt;sup&gt;7&lt;/sup&gt;&amp;nbsp;y<br /> | dm=ε | de=0.051 | link1=thallium-205 | pn=205 | ps=Tl}}<br /> {{infobox element/isotopes stable | mn=206 | sym=Pb | na=24.1% | n=124 |firstlinks=no}}<br /> {{infobox element/isotopes stable | mn=207 | sym=Pb | na=22.1% | n=125 |firstlinks=no}}<br /> {{infobox element/isotopes stable | mn=208 | sym=Pb | na=52.4% | n=126 |firstlinks=no}}<br /> {{infobox element/isotopes decay | mn=210 | sym=Pb<br /> | na=trace | hl=22.3&amp;nbsp;y<br /> | dm=[[Beta decay|β&lt;sup&gt;−&lt;/sup&gt;]] | de=0.064 | link1=bismuth-210 | pn=210 | ps=Bi}}<br /> |isotopes comment=<br /> |discovered by=by [[Middle East]]erns<br /> |discovery date=[[7000 BCE]]<br /> |wdQID=Q708<br /> }}&lt;!--<br /> <br /> --&gt;&lt;noinclude&gt;<br /> {{Infobox element/element navigation|symbol=Pb}}<br /> {{Template reference list}}<br /> {{documentation|1=Template:Infobox element/doc}}<br /> &lt;/noinclude&gt;</div>

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