Does the {neutron number} of the {argon-39} {equals} {21}
Does argon-39 have 21 neutrons?
Is the neutron number of argon-39 equal to 21?
ASK WHERE { FILTER ( ?z = 21 ) . resource:argon-39 property:neutron_number ?z }
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1928577> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1148>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj = 21) }
ASK WHERE { wd:Q1928577 wdt:P1148 ?obj filter(?obj = 21) } 