orcanalsoincludeotherelements.Themostcommonelementsinorganiccompoundsbesidescarbonandhydrogenareoxygenandnitrogen.Otherexamplesofelementsarephosphorusandhalogens.Youcanseethefunctionalgroupsofsalicylicacidin Figure 1.Figure1:Thefunctionalgroupsofsalicylicacid.Purple=phenol;green=carboxylicacid;blue = phenyl.6Copyright Labster ApS 2020All Rights Reserved