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chromium

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

definition Chromium is a chemical element which has the symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point. more like this
notation
02.01.04.1 more like this
Cr more like this
source http://en.wikipedia.org/wiki/Chromium more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/ferrous-metal original
narrower chromium original
in scheme commodity-code original
is primary topic of chromium