L-8. Electropositive & Electronegative Character | Chapter 3 | 9th Chemistry

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In this 9th Class Chemistry Chapter 3 Lecture 8, Prof. Majid Ali (Gold Medalist) explains the Electropositive Character of Metals and Electronegative Character of Non-Metals in a clear and engaging manner.

💡 What You'll Learn in This Lecture:
✅ Definition and explanation of electropositive character of metals
✅ Reactivity trends in alkali and alkaline earth metals (Na, K, Mg, Ca)
✅ Role of Aluminum in reactivity
✅ Definition and behavior of electronegative non-metals
✅ Most electronegative elements like Fluorine, Oxygen, Nitrogen, Chlorine
✅ Ionic bonding and reactions with metals and other non-metals
✅ Concept clarity using periodic table and chemistry visuals

📚 Teacher: Prof. Majid Ali (Gold Medalist)
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🔗    / @mjdchemistry9241  

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📌 About This Topic:
Metals tend to lose electrons to form positive ions — this property is called their electropositive character. Elements like Sodium (Na) and Potassium (K) are highly electropositive and react vigorously with water and acids.
On the other hand, non-metals have a strong attraction for electrons — their electronegative character. Elements like Fluorine (F) and Oxygen (O) are among the most electronegative in the periodic table. These properties explain how elements react and form compounds.