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NIOS Class 10 Science & Tech — Formula Sheet

NIOS Class 10 Science & Tech formula sheet, chapter by chapter — 105 formulas across 19 chapters. Follows the NIOS syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 19 Chapters

3

Atoms and Molecules

3 entries
Total mass of the nucleus = mass of protons + mass of neutrons
Average atomic mass = (35 x 3 + 37 x 1) / 4 = 142 / 4 = 35.5 u
Nanometer is used to express atomic size, and 1 nm = 10^-9 m.
The full Atoms and Molecules formula sheet
4

Chemical Reaction and Equations

10 entries
Reactants -> Products
Mg + O2 -> MgO
2Mg + O2 -> 2MgO
3Fe + 4H2O -> Fe3O4 + 4H2
CaO(s) + H2O(l) -> Ca(OH)2(aq)
The full Chemical Reaction and Equations formula sheet
5

Atomic Structure

4 entries
Maximum electrons per shell: 2n^2 [n = shell/orbit number (1,2,3,4,... i.e., K,L,M,N)]
Photon energy for electron transition: E = hν = E_f - E_i [E = photon energy, h = Planck's constant, ν = frequency, E_f = final energy level, E_i = in
Atomic number = number of protons = number of electrons
Mass number (A) = number of protons(Z) + number of neutrons(n)
The full Atomic Structure formula sheet

16 more chapters below

Formula sheets for all 19 chapters with formulas.

Get the Formula Sheets

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Frequently Asked Questions

Where can I find NIOS Class 10 Science & Tech Formula Sheet?

This page has formula sheet for 19 chapters of NIOS Class 10 Science & Tech for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

19 chapters

3

Atoms and Molecules

4

Chemical Reaction and Equations

5

Atomic Structure

6

Periodic Classification of Elements

7

Chemical Bonding

8

Acids, Bases and Salts

9

Motion and Its Description

10

Force and Motion

11

Gravitation

13

Work and Energy

14

Thermal Energy

15

Light Energy

16

Electrical Energy

18

Sound and Communication

20

History of Life on Earth

25

Heredity

26

Air and Water

27

Metals and Non-Metals

28

Carbon and Its Compounds

More Science & Tech Resources

NIOS Class 10

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other NIOS Class 10 Subjects

MathsSocial StudiesEnglishHindiEconomicsAccountancyPsychologyIndian Culture and Heritage