Periodic table | Lecture -02 | Class -11 | Bengali

Are you struggling to memorize and understand the Periodic Table and its trends? 🧪 In Lecture 02 of our Class 11 Chemistry series, we dive deep into "Periodic Properties" (পর্যায়গত ধর্ম) completely in Bengali!
This video is specifically designed for Class 11 students (WBCHSE) and engineering/medical aspirants (NEET & JEE). We break down complex chemistry concepts into easy, understandable segments so you can score higher in your exams.
📚 What you will learn in this video:
In this lecture, we explain how and why properties of elements change across periods and groups, including Atomic Radius, Ionization Energy, Electron Affinity, Electronegativity, and the anomalous behavior of Hydrogen.
⏱️ Video Chapters (Navigate easily to your topic):
[00:00] Introduction to Periodic Properties (পর্যায়গত ধর্ম)
[01:43] Atomic Radius & Trends (পারমাণবিক ব্যাসার্ধ)
[08:42] Ionic Radius: Cations vs Anions (ক্যাটায়ন ও অ্যানায়নের ব্যাসার্ধ)
[25:45] Metallic & Non-Metallic Properties (ধাতব ও অধাতব ধর্ম)
[31:32] Oxidizing & Reducing Power (জারণ ও বিজারণ ক্ষমতা)
[35:13] Ionization Energy & Potential (আয়নয়ন বিভব)
[53:12] Electron Affinity / Gain Enthalpy (ইলেকট্রন আসক্তি)
[01:10:03] Exception: Why Chlorine has higher Electron Affinity than Fluorine?
[01:15:03] Electronegativity (তড়িৎ ঋণাত্মকতা)
[01:18:16] Acidic & Basic Nature of Oxides (অক্সাইডের আম্লিক ও ক্ষারকীয় ধর্ম)
[01:30:46] Diagonal Relationship in Periodic Table (কর্ণ সম্পর্ক)
[01:31:39] Position of Hydrogen: The Rogue Element (দুষ্ট মৌল)
💡 Don't forget to watch Lecture 01 if you haven't already!
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Видео Periodic table | Lecture -02 | Class -11 | Bengali канала Independent math