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    <title>Juegos de Ciencias Naturales@es|||Natural Sciences Games@en|||Jogos de Ciências Naturais@pt|||Jocs de Ciències Naturals@ca|||Natur Zientzietako Jokoak@eu|||Xogos de Ciencias Naturais@gl|||Jeux des Sciences Naturelles@fr|||Naturwissenschaftliche Spiele@de|||Giochi di Scienze Naturali@it||| - Didactalia - Resources</title>
    <link>https://naturalsciences.didactalia.net/games/tag/actinio?rss&amp;rdf&amp;rdf</link>
    <description>Natural Science Games. Play to learn the bones, muscles and systems of the human body, and other Natural Science items.
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      <title>Juegos de Ciencias Naturales@es|||Natural Sciences Games@en|||Jogos de Ciências Naturais@pt|||Jocs de Ciències Naturals@ca|||Natur Zientzietako Jokoak@eu|||Xogos de Ciencias Naturais@gl|||Jeux des Sciences Naturelles@fr|||Naturwissenschaftliche Spiele@de|||Giochi di Scienze Naturali@it||| - Didactalia - Resources</title>
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      <link>https://naturalsciences.didactalia.net/games/tag/actinio?rss&amp;rdf&amp;rdf</link>
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    <item>
      <title>Periodic table, periods 6 and 7 without symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-without-symbols/594abe72-b586-2b74-fef7-8369fa0bb28b</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, periods 6 and 7 without symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/59/594a/594abe72-b586-2b74-fef7-8369fa0bb28b/f8f181a2-9023-74d5-c23f-d7db82649fc1_240.png"/&gt;&lt;p&gt;In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 6"&gt;elementos del periodo 6&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 7"&gt;elementos del periodo 7&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cesio"&gt;cesio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/francio"&gt;francio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radio"&gt;radio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bario"&gt;bario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hafnio"&gt;hafnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/rutherfordio"&gt;rutherfordio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dubnio"&gt;dubnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tántalo"&gt;tántalo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/wolframio"&gt;wolframio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/seaborgio"&gt;seaborgio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bohrio"&gt;bohrio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/renio"&gt;renio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/osmio"&gt;osmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hasio"&gt;hasio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/meitnerio"&gt;meitnerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iridio"&gt;iridio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/platino"&gt;platino&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/darmstatio"&gt;darmstatio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/roentgenio"&gt;roentgenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oro"&gt;oro&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mercurio"&gt;mercurio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/copernicio"&gt;copernicio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nihonio"&gt;nihonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/talio"&gt;talio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plomo"&gt;plomo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/flerovio"&gt;flerovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/moscovio"&gt;moscovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bismuto"&gt;bismuto&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/polonio"&gt;polonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/livermorio"&gt;livermorio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/teneso"&gt;teneso&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/ástato"&gt;ástato&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radón"&gt;radón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oganesón"&gt;oganesón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lantano"&gt;lantano&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cerio"&gt;cerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/praseodimio"&gt;praseodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neodimio"&gt;neodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/prometio"&gt;prometio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/samario"&gt;samario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/europio"&gt;europio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/gadolinio"&gt;gadolinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/terbio"&gt;terbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/disprosio"&gt;disprosio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/holmio"&gt;holmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tulio"&gt;tulio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iterbio"&gt;iterbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lutecio"&gt;lutecio&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-without-symbols/594abe72-b586-2b74-fef7-8369fa0bb28b#comments</comments>
      <guid>594abe72-b586-2b74-fef7-8369fa0bb28b</guid>
      <pubDate>Mon, 16 Dec 2019 17:29:34 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, periods 6 and 7 without symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-without-symbols/5dda7534-3128-efe2-f26f-34e774bedba3</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, periods 6 and 7 without symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/5d/5dda/5dda7534-3128-efe2-f26f-34e774bedba3/a421adb0-4182-079b-410d-576a7ac60788_240.png"/&gt;&lt;p&gt;In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 6"&gt;elementos del periodo 6&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 7"&gt;elementos del periodo 7&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cesio"&gt;cesio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/francio"&gt;francio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radio"&gt;radio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bario"&gt;bario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hafnio"&gt;hafnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/rutherfordio"&gt;rutherfordio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dubnio"&gt;dubnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tántalo"&gt;tántalo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/wolframio"&gt;wolframio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/seaborgio"&gt;seaborgio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bohrio"&gt;bohrio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/renio"&gt;renio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/osmio"&gt;osmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hasio"&gt;hasio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/meitnerio"&gt;meitnerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iridio"&gt;iridio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/platino"&gt;platino&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/darmstatio"&gt;darmstatio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/roentgenio"&gt;roentgenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oro"&gt;oro&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mercurio"&gt;mercurio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/copernicio"&gt;copernicio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nihonio"&gt;nihonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/talio"&gt;talio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plomo"&gt;plomo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/flerovio"&gt;flerovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/moscovio"&gt;moscovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bismuto"&gt;bismuto&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/polonio"&gt;polonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/livermorio"&gt;livermorio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/teneso"&gt;teneso&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/ástato"&gt;ástato&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radón"&gt;radón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oganesón"&gt;oganesón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lantano"&gt;lantano&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cerio"&gt;cerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/praseodimio"&gt;praseodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neodimio"&gt;neodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/prometio"&gt;prometio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/samario"&gt;samario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/europio"&gt;europio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/gadolinio"&gt;gadolinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/terbio"&gt;terbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/disprosio"&gt;disprosio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/holmio"&gt;holmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tulio"&gt;tulio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iterbio"&gt;iterbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lutecio"&gt;lutecio&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-without-symbols/5dda7534-3128-efe2-f26f-34e774bedba3#comments</comments>
      <guid>5dda7534-3128-efe2-f26f-34e774bedba3</guid>
      <pubDate>Mon, 16 Dec 2019 17:29:48 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, actinide group with symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-with-symbols/1e6fa6b8-a884-bd02-0df9-2c9097f8c817</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, actinide group with symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/1e/1e6f/1e6fa6b8-a884-bd02-0df9-2c9097f8c817/6bd4d278-7f1c-ce80-577a-1c0fd044f3e6_240.png"/&gt;&lt;p&gt;&lt;strong&gt;Actinides&lt;/strong&gt; are also known as "internal transition elements." They have radioactive properties and are extremely unstable, having a very short half-life. Within the periodic table, they are usually placed in the two additionally added rows below it, next to the lanthanides.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/curio"&gt;curio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínido"&gt;actínido&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínidos"&gt;actínidos&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-with-symbols/1e6fa6b8-a884-bd02-0df9-2c9097f8c817#comments</comments>
      <guid>1e6fa6b8-a884-bd02-0df9-2c9097f8c817</guid>
      <pubDate>Mon, 16 Dec 2019 17:19:07 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, actinide group with symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-with-symbols/c32a6f56-5e81-badc-5d0e-52141088ffbf</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, actinide group with symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/c3/c32a/c32a6f56-5e81-badc-5d0e-52141088ffbf/c963df5d-bcbc-9acf-ef98-a07d1713a64e_240.png"/&gt;&lt;p&gt;&lt;strong&gt;Actinides&lt;/strong&gt; are also known as "internal transition elements." They have radioactive properties and are extremely unstable, having a very short half-life. Within the periodic table, they are usually placed in the two additionally added rows below it, next to the lanthanides.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/curio"&gt;curio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínido"&gt;actínido&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínidos"&gt;actínidos&lt;/a&gt;&lt;/p&gt;</description>
      <author>didactalia</author>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-with-symbols/c32a6f56-5e81-badc-5d0e-52141088ffbf#comments</comments>
      <guid>c32a6f56-5e81-badc-5d0e-52141088ffbf</guid>
      <pubDate>Mon, 16 Dec 2019 17:19:20 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, periods 6 and 7 with symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-with-symbols/8a48e5df-432e-349b-19dd-71dc585e8aa4</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, periods 6 and 7 with symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/8a/8a48/8a48e5df-432e-349b-19dd-71dc585e8aa4/699169f6-a6eb-33e0-e265-eac6f9dde7c9_240.png"/&gt;&lt;p&gt;x&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 6"&gt;elementos del periodo 6&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 7"&gt;elementos del periodo 7&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cesio"&gt;cesio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/francio"&gt;francio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radio"&gt;radio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bario"&gt;bario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hafnio"&gt;hafnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/rutherfordio"&gt;rutherfordio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dubnio"&gt;dubnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tántalo"&gt;tántalo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/wolframio"&gt;wolframio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/seaborgio"&gt;seaborgio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bohrio"&gt;bohrio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/renio"&gt;renio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/osmio"&gt;osmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hasio"&gt;hasio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/meitnerio"&gt;meitnerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iridio"&gt;iridio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/platino"&gt;platino&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/darmstatio"&gt;darmstatio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/roentgenio"&gt;roentgenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oro"&gt;oro&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mercurio"&gt;mercurio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/copernicio"&gt;copernicio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nihonio"&gt;nihonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/talio"&gt;talio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plomo"&gt;plomo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/flerovio"&gt;flerovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/moscovio"&gt;moscovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bismuto"&gt;bismuto&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/polonio"&gt;polonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/livermorio"&gt;livermorio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/teneso"&gt;teneso&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/ástato"&gt;ástato&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radón"&gt;radón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oganesón"&gt;oganesón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lantano"&gt;lantano&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cerio"&gt;cerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/praseodimio"&gt;praseodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neodimio"&gt;neodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/prometio"&gt;prometio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/samario"&gt;samario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/europio"&gt;europio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/gadolinio"&gt;gadolinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/terbio"&gt;terbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/disprosio"&gt;disprosio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/holmio"&gt;holmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tulio"&gt;tulio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iterbio"&gt;iterbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lutecio"&gt;lutecio&lt;/a&gt;&lt;/p&gt;</description>
      <author>didactalia</author>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-with-symbols/8a48e5df-432e-349b-19dd-71dc585e8aa4#comments</comments>
      <guid>8a48e5df-432e-349b-19dd-71dc585e8aa4</guid>
      <pubDate>Mon, 16 Dec 2019 16:21:25 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, periods 6 and 7 with symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-with-symbols/10b27fc1-821b-e103-7286-30ddabed9fdc</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, periods 6 and 7 with symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/10/10b2/10b27fc1-821b-e103-7286-30ddabed9fdc/e7678a1f-1dd1-33a0-4455-51665d0aa14b_240.png"/&gt;&lt;p&gt;In the periodic table of the elements, each row of the table is called the period. The number of levels an atom has determines the period to which it belongs.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 6"&gt;elementos del periodo 6&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elementos del periodo 7"&gt;elementos del periodo 7&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cesio"&gt;cesio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/francio"&gt;francio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radio"&gt;radio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bario"&gt;bario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hafnio"&gt;hafnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/rutherfordio"&gt;rutherfordio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dubnio"&gt;dubnio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tántalo"&gt;tántalo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/wolframio"&gt;wolframio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/seaborgio"&gt;seaborgio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bohrio"&gt;bohrio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/renio"&gt;renio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/osmio"&gt;osmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/hasio"&gt;hasio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/meitnerio"&gt;meitnerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iridio"&gt;iridio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/platino"&gt;platino&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/darmstatio"&gt;darmstatio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/roentgenio"&gt;roentgenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oro"&gt;oro&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mercurio"&gt;mercurio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/copernicio"&gt;copernicio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nihonio"&gt;nihonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/talio"&gt;talio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plomo"&gt;plomo&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/flerovio"&gt;flerovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/moscovio"&gt;moscovio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/bismuto"&gt;bismuto&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/polonio"&gt;polonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/livermorio"&gt;livermorio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/teneso"&gt;teneso&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/ástato"&gt;ástato&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/radón"&gt;radón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/oganesón"&gt;oganesón&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lantano"&gt;lantano&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/cerio"&gt;cerio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/praseodimio"&gt;praseodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neodimio"&gt;neodimio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/prometio"&gt;prometio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/samario"&gt;samario&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/europio"&gt;europio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/gadolinio"&gt;gadolinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/terbio"&gt;terbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/disprosio"&gt;disprosio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/holmio"&gt;holmio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tulio"&gt;tulio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/iterbio"&gt;iterbio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lutecio"&gt;lutecio&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-periods-6-and-7-with-symbols/10b27fc1-821b-e103-7286-30ddabed9fdc#comments</comments>
      <guid>10b27fc1-821b-e103-7286-30ddabed9fdc</guid>
      <pubDate>Mon, 16 Dec 2019 16:20:07 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, actinide group without symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-without-symbols/95109d56-b6d7-52ab-619b-6fcd6060b104</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, actinide group without symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/95/9510/95109d56-b6d7-52ab-619b-6fcd6060b104/16408488-f285-63b6-8bda-20b744c59d70_240.png"/&gt;&lt;p&gt;&lt;strong&gt;Actinides&lt;/strong&gt; are also known as "internal transition elements." They have radioactive properties and are extremely unstable, having a very short half-life. Within the periodic table, they are usually placed in the two additionally added rows below it, next to the lanthanides.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/curio"&gt;curio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínido"&gt;actínido&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínidos"&gt;actínidos&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-without-symbols/95109d56-b6d7-52ab-619b-6fcd6060b104#comments</comments>
      <guid>95109d56-b6d7-52ab-619b-6fcd6060b104</guid>
      <pubDate>Mon, 16 Dec 2019 17:43:24 GMT</pubDate>
    </item>
    <item>
      <title>Periodic table, actinide group without symbols (difficult)</title>
      <link>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-without-symbols/98fc6a4a-a946-3c32-0e61-86771b1ef91d</link>
      <description>&lt;img style="margin:15px" align="left" height="54" width="71" alt="Periodic table, actinide group without symbols (difficult)" src="https://content.gnoss.ws/imagenes/Documentos/imgsem/98/98fc/98fc6a4a-a946-3c32-0e61-86771b1ef91d/db08ad0e-6d8a-3d1d-5b39-10d44753372a_240.png"/&gt;&lt;p&gt;&lt;strong&gt;Actinides&lt;/strong&gt; are also known as "internal transition elements." They have radioactive properties and are extremely unstable, having a very short half-life. Within the periodic table, they are usually placed in the two additionally added rows below it, next to the lanthanides.&lt;/p&gt;

&lt;p&gt;The &lt;strong&gt;periodic table of the elements&lt;/strong&gt; is the way proposed by &lt;strong&gt;&lt;a href="https://es.wikipedia.org/wiki/Dmitri_Mendel%C3%A9yev" target="_blank"&gt;Dmitri Mendeléyev&lt;/a&gt;&lt;/strong&gt; in 1869 to arrange the chemical elements, which are ordered by their atomic number, their electron configuration and their chemical properties. Since its first appearance, this table has been increasing with the discovery of new chemical elements, some present in nature and others originated by man.&lt;/p&gt;

&lt;p&gt;Enlarge or reduce the image with zoom and adjust its size to the screen of your device. You can also click on the image and drag it to center it.&lt;/p&gt;&lt;p&gt;Tags: &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/elemento químico"&gt;elemento químico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/número atómico"&gt;número atómico&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/configuración electrónica"&gt;configuración electrónica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/propiedad química"&gt;propiedad química&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/dmitri mendeléyev"&gt;dmitri mendeléyev&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica"&gt;tabla periódica&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/tabla periódica de los elementos"&gt;tabla periódica de los elementos&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actinio"&gt;actinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/torio"&gt;torio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/protactinio"&gt;protactinio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/uranio"&gt;uranio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/neptunio"&gt;neptunio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/plutonio"&gt;plutonio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/americio"&gt;americio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/curio"&gt;curio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/berkelio"&gt;berkelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/californio"&gt;californio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/einstenio"&gt;einstenio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/fermio"&gt;fermio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/mendelevio"&gt;mendelevio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/nobelio"&gt;nobelio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/lawrencio"&gt;lawrencio&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínido"&gt;actínido&lt;/a&gt;, &lt;a href="https://naturalsciences.didactalia.net/en/games/tag/actínidos"&gt;actínidos&lt;/a&gt;&lt;/p&gt;</description>
      <category>Tabla periódica</category>
      <comments>https://naturalsciences.didactalia.net/resource/periodic-table-actinide-group-without-symbols/98fc6a4a-a946-3c32-0e61-86771b1ef91d#comments</comments>
      <guid>98fc6a4a-a946-3c32-0e61-86771b1ef91d</guid>
      <pubDate>Mon, 16 Dec 2019 17:43:14 GMT</pubDate>
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