Lesson 6 atomic number and Mass number

Lesson 1 Overview (in Hindi)

1:26mins

Lesson 2 Introduction to Atom (in Hindi)

7:32mins

Lesson 3, Structure of the Atom (in Hindi)

10:39mins

Lesson 4 Structure of the Atom, Neutrons (in Hindi)

9:37mins

Lesson 5 Valency (in Hindi)

9:18mins

Lesson 6 atomic number and Mass number

11:57mins