NCERT Solutions for Class 9 Science Chapter 4- Structure Of The Atom

NCERT Solutions for Class 9 Science Chapter 4- Structure Of The Atom

NCERT solutions for Class 9 Science Chapter 4 at CBSETuts provides students with solutions to all the questions provided in the NCERT Class 9 textbook which is on the lines of CBSE board. This article provides students with the study source material that is crafted by a team of experts with in-depth knowledge of the subject. Solving NCERT solutions would enable students to score maximum marks at the CBSE exam. This chapter of CBSE 9th science deals with the various atomic model of atoms that were proposed by the different scientist. In addition to it, this chapter also covers electrons distribution in different orbits, calculation of valency, atomic number and mass number.

List of Exercise

  • Number 4.1 – Charged particles in matter 2 Question ( 2 short)
  • Number 4.2 – The structure of an atom 4 Question ( 4 short)
  • Number 4.2.4 – Neutrons 2 Question ( 2 short)
  • Number 4.3 – How are electrons distributed
  • in different orbits(shells)? 2 Question ( 1 long, 1 short)
  • Number 4.4 – Valency 1 Question ( 1 long)
  • Number 4.5 – Atomic number and mass number 2 Question ( 2 long)
  • Number 4.6 – Isotopes 2 Question ( 1 long, 1 short)
  • Exercise Solutions – 19 Question ( 6 long, 9 short, 4 MCQ)


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