La-139

URI: https://gptkb.org/entity/La-139
GPTKB entity
Statements (16)
Predicate Object
gptkbp:instanceOf gptkb:isotope
gptkbp:atomicNumber 57
gptkbp:discoveredBy gptkb:Fred_Allison
gptkbp:discoveredIn 1934
gptkbp:isomerOf gptkb:Lanthanum
gptkbp:massNumber 139
gptkbp:mode gptkb:standard
gptkbp:naturalAbundance 99.91%
gptkbp:neutrons 82
gptkbp:protons 57
gptkbp:spin 7/2+
gptkbp:stable true
gptkbp:symbol gptkb:139La
gptkbp:bfsParent gptkb:Lanthanum
gptkbp:bfsLayer 7
https://www.w3.org/2000/01/rdf-schema#label La-139