Commodity Code
chromium
http://resource.geosciml.org/classifier/cgi/commodity-code/chromium
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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. |  |
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source | http://en.wikipedia.org/wiki/Chromium | |
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is primary topic of | chromium& properties=definition | |||||