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Dit metalloïde heeft atoomnummer 65 in het periodiek systeem. Bovendien is bekend dat het een intern overgangsmateriaal is; er wordt vastgesteld dat het afkomstig is van zeldzame aardmetalen in oxidevorm. De concentratie ervan in de aardkorst bedraagt 0,09 ppm. Leer vervolgens wat meer over de chemische feiten van Terbium. Wat is Terbium? Het is een ... Lees verder