Does the {parity} of the {oxygen-13} {equals} {-1}
Is -1 the parity of oxygen-13?
Is the parity of oxygen-13  equal to  -1?
ASK WHERE { FILTER ( ?e = -1 ) . resource:oxygen-13 property:parity_quantum_number ?e }
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1875295> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1123>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj = -1) }
ASK WHERE { wd:Q1875295 wdt:P1123 ?obj filter(?obj = -1) } 