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Also known as rare earths, lanthanide series, lanthanoid, lanthanoid series element, lanthanoid series elements
serie van 15 elementen met vergelijkbare eigenschappen
Lanthanides are 15 metallic elements found on the periodic table (atomic numbers 57–71) that share similar chemical properties because of how their electrons are arranged. These elements are important in modern technology and materials, though they are often grouped together because their chemistry makes them behave in comparable ways.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).