<?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">inorganic chemistry</topic></authority><related type="broader"><topic>chemistry</topic></related><variant type="other"><topic>chemistry, inorganic</topic></variant> <note xml:lang="en"><![CDATA[ The study of chemical reactions and properties of all the elements and their compounds, with the exception of hydrocarbons; however, usually includes carbides, carbon oxides, metallic carbonates, carbon-sulfur compounds, and carbon-nitrogen compounds. ]]></note></mads>