🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPortuguêsTürkçeРусскийالعربية한국어中文日本語EntityQ428677· pop 19· linked from 45 articleslanthanide contractiondecrease of ionic radii across the lanthanide seriesAvailable in 19 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanConnectionschemical elementEntityelectronEntityCategoriesAtomic radiusChemical bondingLanthanides