<?xml version="1.0" encoding="utf-8"?>

<mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/mads.xsd">
	<authority>
	    <topic authority="Vocabulario General de la Biblioteca Nacional de Maestros">Química</topic>
	</authority>

        <related type="narrower">
        <topic>Bioquímica</topic>
    </related>
        <related type="narrower">
        <topic>Elementos químicos</topic>
    </related>
        <related type="narrower">
        <topic>Enlaces químicos</topic>
    </related>
        <related type="narrower">
        <topic>Historia de la química</topic>
    </related>
        <related type="narrower">
        <topic>Ingeniería química</topic>
    </related>
        <related type="narrower">
        <topic>Propiedades químicas</topic>
    </related>
        <related type="narrower">
        <topic>Química analítica</topic>
    </related>
        <related type="narrower">
        <topic>Química física</topic>
    </related>
        <related type="narrower">
        <topic>Química inorgánica</topic>
    </related>
        <related type="narrower">
        <topic>Química orgánica</topic>
    </related>
        <related type="narrower">
        <topic>Químicos</topic>
    </related>
        <related type="narrower">
        <topic>Reacciones químicas</topic>
    </related>
        <related type="narrower">
        <topic>Tabla periódica de los elementos</topic>
    </related>
        <related type="narrower">
        <topic>Tecnología química</topic>
    </related>
    
    
        <related type="other">
        <topic>Enseñanza de la química</topic>
    </related>
    
    
    
</mads>