| gptkbp:instanceOf | gptkb:chemical_compound 
 | 
                        
                            
                                | gptkbp:appearance | silvery-white 
 | 
                        
                            
                                | gptkbp:atomicNumber | 64 
 | 
                        
                            
                                | gptkbp:atomicWeight | 157.25 
 | 
                        
                            
                                | gptkbp:block | f-block 
 | 
                        
                            
                                | gptkbp:boilingPoint | 3273 K 
 | 
                        
                            
                                | gptkbp:CASNumber | 7440-54-2 
 | 
                        
                            
                                | gptkbp:category | rare earth element 
 | 
                        
                            
                                | gptkbp:crystalSystem | hexagonal close-packed 
 | 
                        
                            
                                | gptkbp:density | 7.90 g/cm³ 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Jean_Charles_Galissard_de_Marignac 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1880 
 | 
                        
                            
                                | gptkbp:electronConfiguration | [Xe] 4f7 5d1 6s2 
 | 
                        
                            
                                | gptkbp:electronegativity | 1.20 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:bastnäsite gptkb:Switzerland
 monazite
 
 | 
                        
                            
                                | gptkbp:isotopes | Gd-152 Gd-154
 Gd-155
 Gd-156
 Gd-157
 Gd-158
 Gd-160
 
 | 
                        
                            
                                | gptkbp:magneticOrdering | ferromagnetic 
 | 
                        
                            
                                | gptkbp:meltingPoint | 1585 K 
 | 
                        
                            
                                | gptkbp:namedAfter | gptkb:gadolinite 
 | 
                        
                            
                                | gptkbp:oxidationStates | +3 
 | 
                        
                            
                                | gptkbp:period | 6 
 | 
                        
                            
                                | gptkbp:relatedGroup | lanthanide 
 | 
                        
                            
                                | gptkbp:standardState | gptkb:stone 
 | 
                        
                            
                                | gptkbp:symbol | gptkb:Gd 
 | 
                        
                            
                                | gptkbp:uses | gptkb:neutron_capture electronics
 phosphors
 MRI contrast agent
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:magnetic_resonance_imaging_(MRI)_technology 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | gadolinium 
 |