Name the quantum particle with the least amount of magnetic moment that is part of the isotope of neutronium?
select ?ent where { ?ent wdt:P31 wd:Q22675015 . ?ent wdt:P2069 ?obj . ?ent wdt:P31 wd:Q12525553} ORDER BY ASC(?obj)LIMIT 5 
type of quantum particle: Q22675015 isotope of neutronium: Q12525553