| gptkbp:instanceOf | gptkb:chemical_compound 
 | 
                        
                            
                                | gptkbp:allotropes | gptkb:alpha-gallium gptkb:beta-gallium
 
 | 
                        
                            
                                | gptkbp:appearance | silvery blue 
 | 
                        
                            
                                | gptkbp:atomicNumber | 31 
 | 
                        
                            
                                | gptkbp:atomicWeight | 69.723 
 | 
                        
                            
                                | gptkbp:block | p-block 
 | 
                        
                            
                                | gptkbp:boilingPoint | 2204°C 
 | 
                        
                            
                                | gptkbp:CASNumber | 7440-55-3 
 | 
                        
                            
                                | gptkbp:category | gptkb:metal post-transition metal
 poor metal
 
 | 
                        
                            
                                | gptkbp:compounds | gptkb:gallium_arsenide gptkb:gallium_nitride
 gptkb:gallium(III)_chloride
 gptkb:gallium(III)_oxide
 
 | 
                        
                            
                                | gptkbp:crystalSystem | orthorhombic 
 | 
                        
                            
                                | gptkbp:density | 5.91 g/cm³ 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Lecoq_de_Boisbaudran 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1875 
 | 
                        
                            
                                | gptkbp:electronConfiguration | [Ar] 3d10 4s2 4p1 
 | 
                        
                            
                                | gptkbp:electronegativity | 1.81 (Pauling scale) 
 | 
                        
                            
                                | gptkbp:foundIn | bauxite zinc ores
 
 | 
                        
                            
                                | gptkbp:isotopes | gptkb:69Ga gptkb:71Ga
 
 | 
                        
                            
                                | gptkbp:IUPACName | gptkb:gallium 
 | 
                        
                            
                                | gptkbp:magneticOrdering | diamagnetic 
 | 
                        
                            
                                | gptkbp:meltingPoint | 29.76°C 
 | 
                        
                            
                                | gptkbp:molarHeatCapacity | 25.86 J/(mol·K) 
 | 
                        
                            
                                | gptkbp:namedAfter | Gallia (Latin for France) 
 | 
                        
                            
                                | gptkbp:oxidationStates | +1 +3
 
 | 
                        
                            
                                | gptkbp:period | gptkb:stone 4
 
 | 
                        
                            
                                | gptkbp:property | melts in hand 
 | 
                        
                            
                                | gptkbp:radioactive | none (naturally occurring) 
 | 
                        
                            
                                | gptkbp:relatedGroup | 13 
 | 
                        
                            
                                | gptkbp:stateAtRoomTemperature | gptkb:stone 
 | 
                        
                            
                                | gptkbp:symbol | gptkb:Ga 
 | 
                        
                            
                                | gptkbp:thermalConductivity | 40.6 W/(m·K) 
 | 
                        
                            
                                | gptkbp:toxicity | low toxicity 
 | 
                        
                            
                                | gptkbp:uses | semiconductors mirrors
 LEDs
 thermometers
 solar cells
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:OpenDaylight 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Gallium 
 |