Commodity Code
rhenium
http://resource.geosciml.org/classifier/cgi/commodity-code/rhenium
 |
definition | Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust. |  |
||||
|---|---|---|---|---|---|---|---|
|
notation |
|
|||||
|
source | http://en.wikipedia.org/wiki/Rhenium | |
||||
|
type |
|
|||||
|
broader |
|
|||||
|
in scheme | commodity code | |||||
 |
is primary topic of | rhenium& properties=isPrimaryTopicOf | |||||