Assertion: protactinium | /r/CapableOf | react with acid
Facets:
value: easily
type: MANNER
Source sentences:
text: Protactinium reacts with air, oxygen, acids and water vapours.
text: The possible valences are 2, 3, 4, 5; Pa react with many nonmetals and acids.
text: Protactinium easily reacts with oxygen, water vapor and acids, but not with alkalis.
text: Protactinium easily reacts with oxygen, water vapor and acids, but not with alkali metals.
text: Protactinium easily reacts with oxygen, water vapor and acids, but not with alkalis.  
text: Protactinium easily reacts with oxygen, water vapor and acids, but not with alkali metals.