The science of matter and the changes it can undergo.
Questions tagged [chemistry]
151 questions
-4
votes
1 answer
Does only China uniquely possess some 'rare earth elements' that can't be mined elsewhere?
How rare exactly are 'rare earth elements'? I'll use IUPAC's definition.
A rare-earth element (REE) [...] as defined by the International Union of Pure and Applied Chemistry, is one of a set of seventeen chemical elements in the periodic table,…
user16959