Unlocking the Periodic Table | Element Classification & Properties | Class 11 Chemistry | CBSE/ICSE

Master the periodic table with Annai Academy! In this clear and step-by-step lesson, you'll understand **Classification of Elements and Periodicity in Properties**, covering need for classification, Mendeleev’s table, modern periodic law, periodic trends in atomic size, ionization enthalpy, electronegativity, and electron gain enthalpy. 📘 Topics Covered: Early attempts: Dobereiner, Newlands, Mendeleev’s Periodic Table Modern Periodic Law – based on atomic number Structure: Groups, periods, blocks (s, p, d, f) Periodic trends: • Atomic & ionic radius • Ionization enthalpy • Electron gain enthalpy • Electronegativity Anomalous properties of second period elements 🎯 Perfect for CBSE, ICSE, State Board, and Samacheer Kalvi students 🎥 Ideal for NEET, JEE, and board exam preparation 🎥 Taught in simple English with easy-to-follow explanations and periodic table visuals 🔔 Subscribe for free Chemistry, Physics & Maths lessons:    / @annaiacademy27   📚 Watch full playlist:    • CBSE Classes Std 11 Bio-Maths | ANNAI ACAD...   #periodictable #class11chemistry #periodictrends #mendeleev #ionizationenthalpy #cbse #icse #tnboard #samacheer #annaiacademy periodic table class 11 chemistry, periodic classification of elements, periodic trends class 11, ionization enthalpy class 11, electronegativity trend, cbse chemistry chapter 3, icse chemistry, tn board chemistry, samacheer kalvi, #periodictable, #class11chemistry, #periodictrends, #mendeleev, #ionizationenthalpy, #electronegativity, #cbse, #icse, #tnboard, #samacheer, #annaiacademy