Home›Browse›internal conversion🌐EnglishEnglishDeutschItalianoРусский日本語EntityQ1664011· pop 6· linked from 17 articlesinternal conversionSign in to savetransition from a higher to a lower electronic state in a molecule or atomAvailable in 6 languagesDeutsch日本語РусскийItalianoUkrainianvia Wikidata sitelinks · CC0