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europium

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

definition Europium is a chemical element with the symbol Eu and atomic number 63. It is named after the continent Europe. It is a moderately hard, silvery metal which readily oxidizes in air and water. more like this
notation
02.01.03.01.03 more like this
Eu more like this
source http://en.wikipedia.org/wiki/Europium more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/hree original
narrower europium original
in scheme commodity-code original
is primary topic of europium