<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0370-3908</journal-id>
<journal-title><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. acad. colomb. cienc. exact. fis. nat.]]></abbrev-journal-title>
<issn>0370-3908</issn>
<publisher>
<publisher-name><![CDATA[Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0370-39082019000200285</article-id>
<article-id pub-id-type="doi">10.18257/raccefyn.904</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La tabla periódica como fundamento para el aprendizaje de la Química y la construcción de conocimiento]]></article-title>
<article-title xml:lang="en"><![CDATA[The periodic table as a foundation for learning chemistry and building knowledge]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina C.]]></surname>
<given-names><![CDATA[Manuel F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palomeque-Forero]]></surname>
<given-names><![CDATA[Liliam A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Departamento de Química Facultad de Ciencias]]></institution>
<addr-line><![CDATA[Bogotá, D.C ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>43</volume>
<numero>167</numero>
<fpage>285</fpage>
<lpage>290</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0370-39082019000200285&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0370-39082019000200285&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0370-39082019000200285&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este escrito sobre la tabla periódica busca ofrecer ideas para la celebración del Año Internacional de la Tabla Periódica propuesto por la UNESCO para este 2019 y apoyado por diferentes organizaciones a nivel internacional. Tales ideas giran alrededor de la consideración de que el lenguaje científico es el eje articular para enseñarla y aspiran a exponer los aportes de diferentes científicos para lograr lo que hoy conocemos como tabla periódica. Además, se hacen algunas propuestas metodológicas para celebrar este aniversario de forma colectiva o personal. © 2019. Acad. Colomb. Cienc. Ex. Fis. Nat.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper on the periodic table seeks to offer ideas around the celebration of the International Year of the Periodic Table (2019 IYPT) proposed by UNESCO for 2019 and supported by different international organizations. These ideas revolve around the consideration of scientific language as an articulating axis to teach the periodic table and the use of the contributions of different scientists to achieve what we know today as the periodic table. Additionally, we make some methodological proposals to celebrate the 2019 IYPT collectively or in a personal way. © 2019. Acad. Colomb. Cienc. Ex. Fis. Nat.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Tabla periódica]]></kwd>
<kwd lng="es"><![CDATA[Lenguaje]]></kwd>
<kwd lng="es"><![CDATA[Mendeléyev]]></kwd>
<kwd lng="es"><![CDATA[Historia]]></kwd>
<kwd lng="es"><![CDATA[Conocimiento científico]]></kwd>
<kwd lng="en"><![CDATA[Periodic table]]></kwd>
<kwd lng="en"><![CDATA[Language]]></kwd>
<kwd lng="en"><![CDATA[Mendeléyev]]></kwd>
<kwd lng="en"><![CDATA[History]]></kwd>
<kwd lng="en"><![CDATA[Scientific knowledge]]></kwd>
</kwd-group>
</article-meta>
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