Periodic Classification of Elements : CBSE Class 10 X Science (Chemistry) |Video Lecture in English Hello this is our sample video for full video Please call on Or 8287971571. This is the video of class 10 Periodic Classification of Elements. Topics covered in this video are as follows : Attempts to group Elements (Debereiner's Traids, Newland's Law of Octave), Mendeleev's Periodic table(Limitations, Merits), Recalling Old things needed(Atomic Number, Electronic distribution), Modern Periodic Table(Introduction, Basic Concepts, Position of Elements), Trends in Modern Periodic table(Valence electron and shell, Valency, Size of Atom, Metallic character, Electropositivity, Nature of Oxides, Revision, Electronegativity, Chemical Reactivity), Explanation Of Limitations of Mendeleev's Periodic Table. Here is a demo of online video lecture. You can watch this complete video on our website Dronstudy OR Call us at - 8287971571