Tell me the name of the diatomic nonmetal chemical with the lowest oxidation state.
select ?ent where { ?ent wdt:P31 wd:Q19753344 . ?ent wdt:P1121 ?obj . ?ent wdt:P31 wd:Q11344. } ORDER BY ASC(?obj)LIMIT 5 
diatomic nonmetal: Q19753344 chemical element: Q11344