| gptkbp:instanceOf | gptkb:chemical_compound 
 | 
                        
                            
                                | gptkbp:abundanceInAtmosphere | 0.934% 
 | 
                        
                            
                                | gptkbp:appearance | colorless gas 
 | 
                        
                            
                                | gptkbp:aroma | odorless 
 | 
                        
                            
                                | gptkbp:atomicNumber | 18 
 | 
                        
                            
                                | gptkbp:atomicWeight | 39.948 
 | 
                        
                            
                                | gptkbp:block | p-block 
 | 
                        
                            
                                | gptkbp:boilingPoint | -185.848°C 
 | 
                        
                            
                                | gptkbp:CASNumber | 7440-37-1 
 | 
                        
                            
                                | gptkbp:category | gptkb:noble_gas nonmetal
 
 | 
                        
                            
                                | gptkbp:color | colorless 
 | 
                        
                            
                                | gptkbp:crystalSystem | face-centered cubic 
 | 
                        
                            
                                | gptkbp:density | 1.784 g/L 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Lord_Rayleigh gptkb:William_Ramsay
 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1894 
 | 
                        
                            
                                | gptkbp:electronConfiguration | [Ne] 3s2 3p6 
 | 
                        
                            
                                | gptkbp:electronegativity | not applicable 
 | 
                        
                            
                                | gptkbp:electronNumber | 18 
 | 
                        
                            
                                | gptkbp:firstIsolatedFrom | gptkb:Lord_Rayleigh gptkb:William_Ramsay
 
 | 
                        
                            
                                | gptkbp:isotopes | gptkb:36Ar gptkb:38Ar
 gptkb:40Ar
 
 | 
                        
                            
                                | gptkbp:IUPACName | gptkb:argon 
 | 
                        
                            
                                | gptkbp:magneticOrdering | diamagnetic 
 | 
                        
                            
                                | gptkbp:meltingPoint | -189.34°C 
 | 
                        
                            
                                | gptkbp:molarHeatCapacity | 20.85 J/(mol·K) 
 | 
                        
                            
                                | gptkbp:nameOrigin | from Greek 'argos', meaning inactive 
 | 
                        
                            
                                | gptkbp:neutrons | 22 (most abundant isotope) 
 | 
                        
                            
                                | gptkbp:oxidationStates | 0 
 | 
                        
                            
                                | gptkbp:period | 3 
 | 
                        
                            
                                | gptkbp:phaseAtSTP | gptkb:gasoline 
 | 
                        
                            
                                | gptkbp:positionInPeriodicTable | period 3, group 18 
 | 
                        
                            
                                | gptkbp:protons | 18 
 | 
                        
                            
                                | gptkbp:radioactive | gptkb:37Ar gptkb:39Ar
 
 | 
                        
                            
                                | gptkbp:relatedGroup | gptkb:noble_gas 18
 
 | 
                        
                            
                                | gptkbp:solubility | slightly soluble 
 | 
                        
                            
                                | gptkbp:source | fractional distillation of liquid air 
 | 
                        
                            
                                | gptkbp:standardState | gptkb:gasoline 
 | 
                        
                            
                                | gptkbp:stateAtRoomTemperature | gptkb:gasoline 
 | 
                        
                            
                                | gptkbp:symbol | gptkb:Ar 
 | 
                        
                            
                                | gptkbp:thermalConductivity | 0.01772 W/(m·K) 
 | 
                        
                            
                                | gptkbp:uses | filling incandescent and fluorescent light bulbs shielding gas in welding
 inert atmosphere for chemical reactions
 
 | 
                        
                            
                                | gptkbp:vanDerWaalsRadius | 188 pm 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Atmosphere gptkb:OpenDaylight
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Argon 
 |