Skip to main content
Chapter 3 of 32
Study Plan

Atoms and Molecules — Study Plan

NIOS · Class 10 · Science & Tech

A step-by-step study plan for Atoms and Molecules, NIOS Class 10 Science & Tech: what to learn first, what to practise and when to revise.

93 questions42 flashcards3 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Atoms and Molecules? Get the full interactive chapter.

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

Free trial, no card needed.

An infographic comparing the ancient Indian (Maharishi Kanad, Pakudha Katyayan) and Greek (Democritus, Leucippus) philosophical ideas about the divisibility of matter and the concept of 'Parmanu' and
Super Tutor

One of 13 illustrations for Atoms and Molecules in Super Tutor — alongside flashcards, concept maps and practice questions.

Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas and key ideas. Focus on: 1. Laws of Chemical Combination, 2. Dalton’s Atomic Theory and Atom, 3. Size, Mass, Atomic Number, and Isotopes.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 93 questions available for this chapter.

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Atoms and Molecules after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Matter is made of very small particles.
  • Kanad named the smallest indivisible particles PARMANU.
  • Pakudha Katyayan said particles usually exist in combined form.
  • Mass is conserved in chemical reactions.
  • Lavoisier's mercury experiment led to the law of conservation of mass.
  • Proust demonstrated the law of definite proportions in 1808.
  • Dalton published his atomic theory in 1803.
  • Matter consists of indivisible atoms.
  • Atoms of one element are alike in mass and properties.

Common Mistakes to Avoid

Matter is truly indivisible, so atoms cannot be broken into anything smaller.

The law of conservation of mass means the mass of every single substance stays the same during a reaction.

The law of constant proportions means every sample of a compound has the same mass, whatever the amount taken.

Memory Tips

Maharishi Kanad and the idea of indivisible smallest particles

Democritus and Leucippus on atoms

Dalton's atomic theory key postulates

Law of conservation of mass

Want a personalised study plan?

Super Tutor builds a day-by-day plan for NIOS Class 10 Science & Tech that fits your exam date and pace.

Create My Study Plan

Frequently Asked Questions

What are the important topics in Atoms and Molecules for NIOS Class 10 Science & Tech?
Key topics in Atoms and Molecules include Laws of Chemical Combination, Dalton’s Atomic Theory and Atom, Size, Mass, Atomic Number, and Isotopes, Molecule, Molecular Mass, and Formula Mass. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Atoms and Molecules for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 93 practice questions on Atoms and Molecules. 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.

For serious students

Get the full Atoms and Molecules chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for NIOS Class 10 Science & Tech. Free to start, no card needed.