Commodity Code


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 more like this
Cr more like this
source more like this
broader ferrous metal
narrower chromium
in scheme commodity code
is primary topic of chromium