Assertion: cerium's oxidation state | /r/HasProperty | attainable
Facets:
value: in matrix-isolation conditions
type: OTHER
Source sentences:
text: Like most rare-earth elements, praseodymium most readily forms the +3 oxidation state, which is the only stable state in aqueous solution, although the +4 oxidation state is known in some solid compounds and, uniquely among the lanthanides, the +5 oxidation state is attainable in matrix-isolation conditions.