<?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="http://AATesaurus.cultura.gencat.cat/aat/getty_ca">element</topic></authority><related type="narrower"><topic>ferro</topic></related><related type="narrower"><topic>alumini</topic></related><related type="narrower"><topic>antimoni</topic></related><related type="narrower"><topic>cadmi</topic></related><related type="narrower"><topic>crom</topic></related><related type="narrower"><topic>coure </topic></related><related type="narrower"><topic>or </topic></related><related type="narrower"><topic>plom</topic></related><related type="narrower"><topic>magnesi</topic></related><related type="narrower"><topic>manganès </topic></related><related type="narrower"><topic>mercuri</topic></related><related type="narrower"><topic>níquel </topic></related><related type="narrower"><topic>argent </topic></related><related type="narrower"><topic>pal·ladi </topic></related><related type="narrower"><topic>platí </topic></related><related type="narrower"><topic>titani</topic></related><related type="narrower"><topic>tungstè </topic></related><related type="narrower"><topic>urani</topic></related><related type="narrower"><topic>vanadi</topic></related><related type="narrower"><topic>zinc</topic></related><related type="narrower"><topic>sofre</topic></related><related type="narrower"><topic>silici</topic></related><related type="narrower"><topic>argó </topic></related><related type="narrower"><topic>estany </topic></related><related type="narrower"><topic>seleni</topic></related><related type="narrower"><topic>neó </topic></related><related type="narrower"><topic>fòsfor </topic></related><related type="narrower"><topic>potassi</topic></related><related type="narrower"><topic>arsènic </topic></related><related type="narrower"><topic>cobalt</topic></related><related type="narrower"><topic>element traça </topic></related><related type="narrower"><topic>bor</topic></related><related type="narrower"><topic>calci</topic></related><related type="narrower"><topic>clor</topic></related><related type="narrower"><topic>carboni</topic></related><related type="narrower"><topic>sodi</topic></related><related type="narrower"><topic>nitrogen</topic></related><related type="narrower"><topic>strontium (traducció pendent)</topic></related><related type="narrower"><topic>bismuth (traducció pendent)</topic></related><related type="narrower"><topic>thorium (traducció pendent)</topic></related><related type="narrower"><topic>zirconium (traducció pendent)</topic></related><related type="narrower"><topic>molybdenum (traducció pendent)</topic></related><related type="narrower"><topic>iridium (traducció pendent)</topic></related><related type="narrower"><topic>rubidium (traducció pendent)</topic></related><related type="narrower"><topic>lithium (traducció pendent)</topic></related><related type="narrower"><topic>rare earth elements (traducció pendent)</topic></related><related type="narrower"><topic>iodine (traducció pendent)</topic></related><related type="narrower"><topic>germanium (traducció pendent)</topic></related><related type="narrower"><topic>niobium (traducció pendent)</topic></related><related type="narrower"><topic>californium (traducció pendent)</topic></related><related type="narrower"><topic>xenon (traducció pendent)</topic></related><related type="narrower"><topic>ytterbium (traducció pendent)</topic></related><related type="narrower"><topic>cerium (traducció pendent)</topic></related><related type="narrower"><topic>cesium (traducció pendent)</topic></related><related type="narrower"><topic>radon (traducció pendent)</topic></related><related type="narrower"><topic>bromine (traducció pendent)</topic></related><related type="narrower"><topic>gallium (traducció pendent)</topic></related><related type="narrower"><topic>neodymium (traducció pendent)</topic></related><related type="narrower"><topic>fluorine (traducció pendent)</topic></related><related type="narrower"><topic>seaborgium (traducció pendent)</topic></related><related type="narrower"><topic>radium (traducció pendent)</topic></related><related type="narrower"><topic>rhodium (traducció pendent)</topic></related><related type="other"><topic>taula periòdica</topic></related><related type="broader"><topic>materials per forma química</topic></related></mads>