Below are given main topics covered in class 9 Science chapter 4, Structure of the Atom: → Thomson’s model of an atom → Rutherford’s model of an atom and its limitations → Bohr’s model ...

Download the NCERT Books for Class 9 Maths, Science ... to click on the chapter they want to read and download it to use in offline mode. Chapter 1 - Number System Chapter 2 - Polynomials Chapter ...