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Chapter 4 Class 9 - Structure of Atom

At Teachoo, you will learn about Chapter 4, Structure of an atom, in detail with the help of concepts, NCERT questions and extra worksheet questions which will help you understand the chapter in detail.

You will start by understanding what an atom is and what its physical structure is.

You will learn about the structure of an atom using models of 3 Scientists which are -

  • Thomson’s Model
  • Rutherford’s Model
  • Bohr’s Model

Furthermore, you will learn about 2 concepts which are -

  • Atomic Number
  • Mass Number

And at last you will learn about the concepts of isotopes and isobars.


NCERT Questions

Questions from Inside the chapter

Teachoo Questions