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Title: Lanthanoid Contraction | Causes, Effects, and Easy Explanation for Class 12 & JEE/NEET

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In today’s video, we explain one of the most important concepts in the d- and f-Block Elements chapter — Lanthanoid Contraction.

You will learn:
✔ What is Lanthanoid Contraction?
✔ Why do lanthanoid radii decrease from La → Lu?
✔ Poor shielding of 4f electrons (main cause)
✔ Increase in nuclear charge
✔ All major consequences
✔ Zr–Hf similarity
✔ Change in density, basicity & complex formation
✔ Exam-focused explanation for Class 12, NEET, JEE Main

This video is perfect for:
🔹 Class 12 Chemistry Boards
🔹 JEE Main / Advanced
🔹 NEET Chemistry
🔹 CUET
🔹 Competitive exams requiring inorganic chemistry

📌 Make sure to take notes because this topic gives questions every year!

📚 CHAPTER: d- & f-Block Elements
TOPIC: Lanthanoid Contraction (Causes + Trends + Effects)
🔔 CALL TO ACTION

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