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      <title>La constitution de l&#39;atome by Physique-chimie</title>
      <link>https://padlet.com/collegeliberte/atome</link>
      <description></description>
      <language>en-us</language>
      <pubDate>2015-08-10 15:56:57 UTC</pubDate>
      <lastBuildDate>2025-11-06 15:58:01 UTC</lastBuildDate>
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         <title></title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65601897</link>
         <description><![CDATA[]]></description>
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         <pubDate>2015-08-10 16:02:07 UTC</pubDate>
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         <title>A l&#39;intérieur du noyau, les nucléons.</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65605571</link>
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         <pubDate>2015-08-10 17:02:52 UTC</pubDate>
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         <title>Vidéo 2 : La constitution de l&#39;atome </title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65615991</link>
         <description><![CDATA[<div>Source : Romain Chauvière</div>]]></description>
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         <pubDate>2015-08-10 20:26:40 UTC</pubDate>
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      <item>
         <title>De l&#39;infiniment grand à l&#39;infiniment petit (Vidéo)</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65616010</link>
         <description><![CDATA[]]></description>
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         <pubDate>2015-08-10 20:27:08 UTC</pubDate>
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         <title>Le tableau périodique des éléments / VERSION CLASSIQUE</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65648524</link>
         <description><![CDATA[<p>Il porte aussi le nom de tableau de Mendeleïev, la scientifique russe qui l'a mis en place et publié en 1869.</p>]]></description>
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         <pubDate>2015-08-11 08:05:00 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/65648524</guid>
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      <item>
         <title>Vidéo 1 : Rappels de quatrième</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/65648677</link>
         <description><![CDATA[<div>Voici&nbsp; une vidéo qui résume tout ce que vous devez savoir en arrivant en troisième.&nbsp;</div>]]></description>
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         <pubDate>2015-08-11 08:08:22 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/65648677</guid>
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      <item>
         <title>Molécule d&#39;aspirine en 3D.</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/121547966</link>
         <description><![CDATA[<div>Source : Maskott<br><br></div>]]></description>
         <enclosure url="https://sketchfab.com/models/b01c1ff3563340dda774561e0c540e6e/embed" />
         <pubDate>2016-09-05 07:01:11 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/121547966</guid>
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      <item>
         <title>Comment décrire la composition d&#39;un atome à partir de la description du noyau ?</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/185407713</link>
         <description><![CDATA[<div>Source : <a href="http://villemin.gerard.free.fr">http://villemin.gerard.free.fr</a><br><strong>Attention en général,</strong> <strong>le nombre de neutrons et de protons ne sont pas égaux.</strong></div>]]></description>
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         <pubDate>2017-09-07 07:45:02 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/185407713</guid>
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         <title>Rappels</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/185408137</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-07 07:47:28 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/185408137</guid>
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         <title>Cours de troisième</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/185408168</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-07 07:47:40 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/185408168</guid>
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      <item>
         <title>Un exemple de rédaction (Il figure aussi en modèle dans votre cours)</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/186294707</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-11 10:00:46 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/186294707</guid>
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         <title>Le tableau périodique des éléments</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/192819266</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 22:59:13 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/192819266</guid>
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      <item>
         <title>VERSION INTERACTIVE (Thinglink)</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/192819360</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 23:00:52 UTC</pubDate>
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         <title>Vidéo 7. La classification périodique des éléments</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/192819668</link>
         <description><![CDATA[<div>Source : Maskott</div>]]></description>
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         <pubDate>2017-10-01 23:05:15 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/192819668</guid>
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         <title>Ordre de grandeur</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/198081991</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-18 03:05:52 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/198081991</guid>
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      <item>
         <title>Support du cours</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/284872479</link>
         <description><![CDATA[]]></description>
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         <pubDate>2018-09-24 07:03:09 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/284872479</guid>
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         <title>Construire un atome :o)</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/287973971</link>
         <description><![CDATA[<div>Source : Phetcolorado<br>Pour télécharger l'application, <a href="https://phet.colorado.edu/fr/simulation/build-an-atom"><strong>CLIQUER ICI</strong></a></div>]]></description>
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         <pubDate>2018-10-02 07:33:26 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/287973971</guid>
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         <title>Vidéo 4. Interview de Roland Lehoucq</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/290698127</link>
         <description><![CDATA[<div>Quelle est l'origine des atomes ?<br>Ces atomes ont-ils toujours existé ?</div>]]></description>
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         <pubDate>2018-10-09 12:51:14 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/290698127</guid>
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      <item>
         <title>Pour s&#39;entraîner</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/418099765</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-12-01 08:27:39 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/418099765</guid>
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         <title>V3. Comparer la taille de l&#39;atome et celle du noyau</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/2329065435</link>
         <description><![CDATA[<div>Q5 du cours<br>Merci à Ana et Elisa pour ce travail exceptionnel</div>]]></description>
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         <pubDate>2022-10-06 09:33:59 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/2329065435</guid>
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         <title>Vidéo 5. Identifier un atome à partir du numéro atomique</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/2333507517</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://youtu.be/zjMadarJdOc" />
         <pubDate>2022-10-10 12:45:35 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/2333507517</guid>
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         <title>Vidéo 6. Identifier un atome à partir de sa modélisation</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/2333524971</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://youtu.be/Bcmn_XN-JHU" />
         <pubDate>2022-10-10 12:57:19 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/2333524971</guid>
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         <title>Batterie au litthium (Li) et danger</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/3670288330</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://youtu.be/CU_DS08r1Fc?si=sUefgTS0Nnd_kGgl" />
         <pubDate>2025-11-06 15:53:22 UTC</pubDate>
         <guid>https://padlet.com/collegeliberte/atome/wish/3670288330</guid>
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      <item>
         <title>Pourquoi les feux de batteries lithium sont-ils si dangereux ?</title>
         <author>collegeliberte</author>
         <link>https://padlet.com/collegeliberte/atome/wish/3670292483</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-11-06 15:55:57 UTC</pubDate>
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