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Curated by: Khan Academy India - English (23 videos)
Ever wondered how new elements are named once we cross atomic number 100? In this video, we explore the official IUPAC rules that govern element nomenclature beyond Z = 100, break them down with simple logic, and apply them to real elements. Along the way, we also uncover a naming controversy that rocked the scientific world—especially around element 104. With practice problems and clear explanations, this video makes the periodic table feel like a puzzle worth cracking! Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/class-11-chemistry-india/xfbb6cb8fc2bd00c8:in-in-classification-of-elements?lang=en Timestamps: 0:00 How elements get their names? 1:12 Famous naming controversy over element 104 3:02 Rules of nomenclature of elements having Z more than 100 6:05 Applying rules to Z=105 6:58 Practice problems Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Nitika Duggal