CBSE Class 10
Free courses
Science
Chemical Substances
Lesson 1 of 6 • 142 upvotes • 5:03mins
This lesson gives you an overview of the entire course
6 lessons • 50m
Introduction to the course
5:03mins
Dobereiner’s triads and Newlands Law of Octaves
9:14mins
Modern Periodic Table and the Characteristics of Periods
10:30mins
Mendeleev’s Periodical Table
8:32mins
Characteristics of Groups
8:55mins
Important questions
7:51mins