Protactinium bromide may refer to:
Protactinium(IV) bromide (protactinium tetrabromide), PaBr4 Protactinium(V) bromide (protactinium pentabromide), PaBr5
Wikipedia
Protactinium bromide may refer to:
Protactinium(IV) bromide (protactinium tetrabromide), PaBr4 Protactinium(V) bromide (protactinium pentabromide), PaBr5