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rubidium

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

definition Rubidium is a chemical element with the symbol Rb and atomic number 37. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, such as very rapid oxidation in air. more like this
notation
02.01.22 more like this
Rb more like this
source http://en.wikipedia.org/wiki/Rubidium more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/metal original
narrower rubidium original
in scheme commodity-code original
is primary topic of rubidium