<?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_en">lithium</topic></authority><related type="broader"><topic>elements</topic></related><related type="broader"><topic>nonferrous metal</topic></related><variant type="other"><topic>Li</topic></variant> <note xml:lang="en"><![CDATA[ Pure metallic element having symbol Li and atomic number 3; a soft, silver-white metal, the lightest element in the alkali metal series. It is obtained from minerals, such as spodumene, in which it occurs or as a byproduct of potash and borax. Use also for this metal as processed and formed for use as a heat transfer medium in nuclear reactors or as a strengthener in alloys and many manufactured products such as ceramics and glass. Its salt is used in psychiatric medications.   ]]></note></mads>