| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:chemical_compound
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:allotropes
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Cl2
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:appearance
                                    
                                 | 
                                
                                    
                                        
                                            
                                            pale yellow-green gas
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:atomicNumber
                                    
                                 | 
                                
                                    
                                        
                                            
                                            17
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:atomicWeight
                                    
                                 | 
                                
                                    
                                        
                                            
                                            35.45
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:block
                                    
                                 | 
                                
                                    
                                        
                                            
                                            p-block
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:boilingPoint
                                    
                                 | 
                                
                                    
                                        
                                            
                                            -34.04°C
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:CASNumber
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7782-50-5
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:category
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:disinfectant
                                        
                                         
                                    
                                        
                                            gptkb:air_pollution
                                        
                                         
                                    
                                        
                                            gptkb:chemical_warfare_agent
                                        
                                         
                                    
                                        
                                            gptkb:industrial_chemical
                                        
                                         
                                    
                                        
                                            
                                            nonmetal
                                        
                                        
                                         
                                    
                                        
                                            
                                            halogen
                                        
                                        
                                         
                                    
                                        
                                            
                                            strong oxidizer
                                        
                                        
                                         
                                    
                                        
                                            
                                            environmental hazard
                                        
                                        
                                         
                                    
                                        
                                            
                                            oxidizing agent
                                        
                                        
                                         
                                    
                                        
                                            
                                            bleaching agent
                                        
                                        
                                         
                                    
                                        
                                            
                                            corrosive substance
                                        
                                        
                                         
                                    
                                        
                                            
                                            elemental gas
                                        
                                        
                                         
                                    
                                        
                                            
                                            reactive nonmetal
                                        
                                        
                                         
                                    
                                        
                                            
                                            toxic gas
                                        
                                        
                                         
                                    
                                        
                                            
                                            water treatment chemical
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:compounds
                                    
                                 | 
                                
                                    
                                        
                                            
                                            sodium chloride
                                        
                                        
                                         
                                    
                                        
                                            
                                            hydrochloric acid
                                        
                                        
                                         
                                    
                                        
                                            
                                            mustard gas
                                        
                                        
                                         
                                    
                                        
                                            
                                            chloramines
                                        
                                        
                                         
                                    
                                        
                                            
                                            chlorates
                                        
                                        
                                         
                                    
                                        
                                            
                                            chlorine dioxide
                                        
                                        
                                         
                                    
                                        
                                            
                                            chlorites
                                        
                                        
                                         
                                    
                                        
                                            
                                            perchlorates
                                        
                                        
                                         
                                    
                                        
                                            
                                            phosgene
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:density
                                    
                                 | 
                                
                                    
                                        
                                            
                                            3.2 g/L (gas at 0°C, 1 atm)
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discoveredBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Carl_Wilhelm_Scheele
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discoveredIn
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1774
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:electronegativity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            3.16 (Pauling scale)
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:foundIn
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Earth's crust
                                        
                                        
                                         
                                    
                                        
                                            
                                            seawater
                                        
                                        
                                         
                                    
                                        
                                            
                                            salt deposits
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:isotopes
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:37Cl
                                        
                                         
                                    
                                        
                                            
                                            35Cl
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:meltingPoint
                                    
                                 | 
                                
                                    
                                        
                                            
                                            -101.5°C
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:mostStableIsotope
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:37Cl
                                        
                                         
                                    
                                        
                                            
                                            35Cl
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:oxidationStates
                                    
                                 | 
                                
                                    
                                        
                                            
                                            +1
                                        
                                        
                                         
                                    
                                        
                                            
                                            +3
                                        
                                        
                                         
                                    
                                        
                                            
                                            +7
                                        
                                        
                                         
                                    
                                        
                                            
                                            +5
                                        
                                        
                                         
                                    
                                        
                                            
                                            -1
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:period
                                    
                                 | 
                                
                                    
                                        
                                            
                                            3
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:radioactive
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:40Cl
                                        
                                         
                                    
                                        
                                            
                                            36Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            38Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            39Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            41Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            42Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            43Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            44Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            45Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            46Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            47Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            48Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            49Cl
                                        
                                        
                                         
                                    
                                        
                                            
                                            50Cl
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:relatedGroup
                                    
                                 | 
                                
                                    
                                        
                                            
                                            17
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:riskFactor
                                    
                                 | 
                                
                                    
                                        
                                            
                                            H319
                                        
                                        
                                         
                                    
                                        
                                            
                                            H331
                                        
                                        
                                         
                                    
                                        
                                            
                                            H400
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:stateAtRoomTemperature
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:gasoline
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:symbol
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Cl
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:toxicity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            toxic
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:UNNumber
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1017
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:uses
                                    
                                 | 
                                
                                    
                                        
                                            
                                            pesticides
                                        
                                        
                                         
                                    
                                        
                                            
                                            pharmaceuticals
                                        
                                        
                                         
                                    
                                        
                                            
                                            paper production
                                        
                                        
                                         
                                    
                                        
                                            
                                            bleaching
                                        
                                        
                                         
                                    
                                        
                                            
                                            manufacture of PVC
                                        
                                        
                                         
                                    
                                        
                                            
                                            production of chlorinated solvents
                                        
                                        
                                         
                                    
                                        
                                            
                                            water disinfection
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Graniteville_train_crash
                                        
                                         
                                    
                                        
                                            gptkb:Wilkinson's_catalyst
                                        
                                         
                                    
                                        
                                            gptkb:INEOS
                                        
                                         
                                    
                                        
                                            gptkb:Hooker_Electrochemical_Company
                                        
                                         
                                    
                                        
                                            gptkb:berkelium(III)_chloride
                                        
                                         
                                    
                                        
                                            gptkb:Grubbs_catalyst
                                        
                                         
                                    
                                        
                                            gptkb:AlCl3
                                        
                                         
                                    
                                        
                                            gptkb:Speedo_Endurance+
                                        
                                         
                                    
                                        
                                            gptkb:halogens
                                        
                                         
                                    
                                        
                                            gptkb:calcium_chloride
                                        
                                         
                                    
                                        
                                            gptkb:United_Alkali_Company
                                        
                                         
                                    
                                        
                                            gptkb:Group_VII
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            6
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            chlorine
                                        
                                        
                                         
                                    
                                 |