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Curated by: Khan Academy India - English (13 videos)
Diagonal relationship isn’t just a pattern — it’s a powerful exception to vertical periodic trends. This video unpacks the logic behind why certain second-period elements resemble their diagonally placed third-period neighbors more than their own group members. We explore the atomic-level causes — from comparable charge-to-radius ratios to similar electronegativities — and bring out the chemical consequences that follow. 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 Recap of what is Diagonal Relationship? 00:27 What causes diagonal relationship? 1:23 Consequence of diagonal relationship 5:29 Question practice 4:11 Similarities in Chemical properties of diagonal pairs. 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