Statements (52)
Predicate | Object |
---|---|
gptkbp:instanceOf |
chemical element group
|
gptkbp:alsoKnownAs |
rare earth metals
REE |
gptkbp:atomicNumbersRange |
57-71
|
gptkbp:category |
gptkb:transition_metals
lanthanides strategic materials |
gptkbp:characteristic |
luminescence
high magnetic strength similar chemical properties |
gptkbp:consistsOf |
gptkb:gadolinium
gptkb:terbium gptkb:praseodymium cerium europium lanthanum neodymium samarium dysprosium erbium holmium lutetium thulium ytterbium promethium |
gptkbp:criticalFor |
renewable energy
defense applications green technologies |
gptkbp:discoveredBy |
gptkb:Carl_Gustaf_Mosander
late 18th century |
gptkbp:foundIn |
gptkb:bastnäsite
monazite xenotime loparite |
https://www.w3.org/2000/01/rdf-schema#label |
Rare Earth Elements group
|
gptkbp:includes |
gptkb:scandium
gptkb:yttrium |
gptkbp:mainProducer |
gptkb:Australia
gptkb:China gptkb:United_States |
gptkbp:periodicTableGroup |
d-block
f-block |
gptkbp:usedIn |
electronics
nuclear reactors lasers batteries catalysts phosphors magnets glass polishing |
gptkbp:bfsParent |
gptkb:Ree_group
|
gptkbp:bfsLayer |
6
|