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lanthanum

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

definition Lanthanum is a chemical element with the symbol La and atomic number 57. Lanthanum is a silvery white metallic element and is the first element of the lanthanide series (or, on occasion, considered the first element of the 6th-period transition metals). more like this
notation
02.01.03.02.02 more like this
La more like this
source http://en.wikipedia.org/wiki/Lanthanum more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/lree original
narrower lanthanum original
in scheme commodity-code original
is primary topic of lanthanum