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praseodymium

http://resource.geosciml.org/classifier/cgi/commodity-code/praseodymium

definition Praseodymium is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. more like this
notation
02.01.03.02.04 more like this
Pr more like this
source http://en.wikipedia.org/wiki/Praseodymium more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/lree original
narrower praseodymium original
in scheme commodity-code original
is primary topic of praseodymium