CBSE Class 9 Science Atoms and Molecules Worksheet Set B

Access the latest CBSE Class 9 Science Atoms and Molecules Worksheet Set B. We have provided free printable Class 9 Science worksheets in PDF format, specifically designed for Chapter 3 Atoms and Molecules. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 3 Atoms and Molecules Science Practice Worksheet for Class 9

Students should use these Class 9 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 3 Atoms and Molecules, to help you prepare for school tests and final examination. Regular practice of these Class 9 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 9 Science Chapter 3 Atoms and Molecules Worksheet PDF

 
Practice Worksheet
CBSE Class 9 Science
Topic: Atoms and Molecules
 
Very Short Answer

Q1) Define atomicity? 
Ans: The number of atoms constituting a Molecule is known as its atomicity.

Q2) What is IUPAC? 
Ans: IUPAC is International Union of Pure and Applied Chemistry, it is an international scientific organisation which approves names, elements and symbol.
 
Q3) What is cation and anion? 
Ans:  Negatively charged ion is called anion and positively charge ion is called cation

Q4) What is polyatomic ion? 
Ans: The ions which contain more than one atoms and behave as a single unit are called polyatomic ions.

Q5) What do you mean by Avogadro constant?
Ans: The Avogadro constant 6.022×10²³ is defined as the number of atoms in exactly 12g of carbon- 12.
 
 
Click below to download practice worksheet for CBSE Class 12 Mathematics Solution of System of Linear Equation Worksheet Set A

Chapter 3 Atoms and Molecules CBSE Class 9 Science Worksheet

Students can use the Chapter 3 Atoms and Molecules practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 9 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 3 Atoms and Molecules

Our expert team has used the official NCERT book for Class 9 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 9, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 9 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download latest CBSE Practice worksheets for Class 9 Science Chapter 3 Atoms and Molecules

You can download the CBSE Practice worksheets for Class 9 Science Chapter 3 Atoms and Molecules for the latest session from StudiesToday.com

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Yes, studiestoday.com provides all the latest Class 9 Science Chapter 3 Atoms and Molecules test practice sheets with answers based on the latest books for the current academic session