Science
Electrons, protons and neutrons
In Class 9 Science, this topic from “Journey Inside the Atom” introduces the three fundamental subatomic particles: electrons, protons and neutrons. Students learn their relative charges and masses, where they are found in an atom, and how protons and neutrons form the nucleus while electrons occupy the space around it. The topic also builds understanding of atomic number, mass number, and how these particles help explain the identity and neutrality of atoms.
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Practice questions are not available for this topic yet. We plan to add questions with clear explanations soon. You can keep practising other topics in the meantime.
- Class / subject
- 9 · Science
- Chapter
- Journey Inside the Atom
- Topic
- Electrons, protons and neutrons
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