CBSE Class 9 Science Atoms and Molecules Worksheet Set 05

Find CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 right below. We offer free printable Class 9 Science worksheets in PDF for Chapter 3 Atoms and Molecules. Built by expert teachers for the 2026-27 session, these practice exercises align with standard CBSE, NCERT, and KVS patterns.

Download Class 9 Science Chapter 3 Atoms and Molecules Worksheets

Are you in Class 9 Science? Try these chapter-wise worksheets every day to make your concepts of Chapter 3 Atoms and Molecules very clear. The practice papers contain useful questions and answers for school tests. Solving these Class 9 Science problems regularly will build your speed and help you score high marks in the 2026-27 exams.

Get Chapter 3 Atoms and Molecules Worksheet PDF for Class 9 Science

Practice Worksheet
CBSE Class 9 Science
Topic: Atoms and Molecules

 

Very Short Answer

Q1) Define molar mass of an atom. 
Ans: The mass in g of one mole of an atom is called its molar mass.


Q2) Mention the atomicity and symbols of the following elements. argon and hydrogen.
Ans: argon atomicity is 1 and symbol is Ar
hydrogen is 2 and symbol is H.
 
Q3) Calculate the number of moles present in 34 g of ammonia. 
Ans: 17 g of NH3 is equal to 1 mole
        34 g of NH3 is equal to
        34
        ¯¯17
           =2

Q4) Write the symbol of anions present in the following formulae and also write their names.
KNO3
Ans: In KNO3 the anion present is NO3- and its name is nitrate.
 
Q5) Define a tri atomic molecule.
Ans: A molecule consisting of three atoms of the same element is called a tri atomic molecule.
 
 
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Chapter 3 Atoms and Molecules Practice Sheet & Solutions for Class 9 Science

Class 9 Science Chapter 3 Atoms and Molecules Printable Worksheet

Make use of the Chapter 3 Atoms and Molecules practice set listed above to review effectively for school tests. Prepared according to current CBSE guidelines for Class 9 Science, the material can be saved easily as a PDF format download. Routine problem-solving based on essential exam topics ensures steady grade improvement.

Solved Practice Sets & NCERT 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 online.

Additional Study Resources for Class 9 Science

To excel in Class 9, students should test their skills using the online Science MCQ test. Additional printable assignments for Class 9 Science are readily accessible on our site. Staying consistent with practice creates deep confidence and boosts scores across CBSE tests.

FAQs

Where can I download the latest PDF for CBSE Class 9 Science Atoms and Molecules Worksheet Set 05?

You can download the teacher-verified PDF for CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 from StudiesToday.com. These practice sheets for Class 9 Science are designed as per the latest CBSE academic session.

Are these Science Class 9 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 9.

Do you provide solved answers for CBSE Class 9 Science Atoms and Molecules Worksheet Set 05?

Yes, we have provided detailed solutions for CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 to help Class 9 and follow the official CBSE marking scheme.

How does solving CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 9 students get more marks in CBSE exams.

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All our Class 9 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 9 Science Atoms and Molecules Worksheet Set 05 without any registration.