noun🔗ShareLanthanoideAny of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides."Chemists studying the properties of the lanthanides group them together because these elements behave similarly in chemical reactions. "Chemiker, die die Eigenschaften der Lanthanoide untersuchen, gruppieren sie zusammen, da sich diese Elemente in chemischen Reaktionen ähnlich verhalten.elementchemistryscienceChat with AIVocabulary GamePractice Reading
