Does the {oxidation state} of the {carbon} {equals} {4}
Is 4 the oxidation state of carbon?
Is 4 the oxidation state of carbon?
ASK WHERE { resource:carbon property:oxidation_state ?p . FILTER ( ?p = 4 ) }
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q623> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1121>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj = 4) }
ASK WHERE { wd:Q623 wdt:P1121 ?obj filter(?obj = 4) } 