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Author: WikiMatrix
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English[en]
The current IUPAC definition of the term "lanthanoid" includes fifteen elements including both lanthanum and lutetium, and that of "transition element" applies to lanthanum and actinium, as well as lutetium but not lawrencium, since it does not correctly follow the Aufbau principle.
Indonesian[id]
Definisi IUPAC saat ini untuk istilah "lantanoida" mencakup lima belas unsur termasuk lantanum dan lutetium, serta "unsur transisi", dan berlaku untuk lantanum dan aktinium, serta lutetium tapi tidak untuk lawrencium, karena tidak mengikuti prinsip Aufbau.