Skip to main content
Super TutorResources
Chapter 8 of 13
Formula Sheet

Journey Inside the Atom — Formula Sheet

CBSE · Class 9 · Science

2 formulas from Journey Inside the Atom (CBSE Class 9 Science) on one page, grouped by topic. Part of the CBSE Class 9 Science syllabus.

111 questions72 flashcards2 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Journey Inside the Atom? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for formula sheet and more.

Try Super Tutor — Free

Free trial, no card needed.

An infographic illustrating the various effects a force can have on an object: producing motion, stopping motion, changing direction, and changing shape.
Super Tutor

Learn better with visuals Super Tutor pairs illustrations like this with notes and quizzes for Journey Inside the Atom.

2 Entries · 1 Section

Formulas and Key Relations

4. Mass of Atom and Neutron

Mass number = Number of protons + Number of neutrons

Atom count in paper thickness estimate: number of atoms ≈ (10^-4 m) ÷ (10^-10 m) = 10^6

Full sheet with units and worked examples

View All

Frequently Asked Questions

What are the important topics in Journey Inside the Atom for CBSE Class 9 Science?
Key topics in Journey Inside the Atom include Origin and Development of Atomic Ideas, Discovery of Subatomic Particles and Atomic Models, Atomic Number, Mass Number, and Electronic Configuration, Isotopes, Isobars, and Atomic Mass. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Journey Inside the Atom?
This sheet lists 2 formulas from Journey Inside the Atom, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Journey Inside the Atom for Class 9 exams?
Learn the core ideas first, then work through the 111 practice questions on Journey Inside the Atom. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Journey Inside the Atom

All CBSE Class 9 Science Formula Sheet

For serious students

Get the full Journey Inside the Atom chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 9 Science. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free