🌐EnglishEnglishDeutschFrançaisItalianoРусскийEntityQ3454218· pop 5· linked from 2 articlesNitrogen ruleprinciple in mass spectrometryAvailable in 5 languagesFrançaisDeutschРусскийItalianovia Wikidata sitelinks · CC0ConnectionsparityEntityatomEntityCategoriesMass spectrometryNitrogenNuclear chemistryParity (mathematics)