Structure of the Atom

Discovery of subatomic particles, atomic models by Thomson, Rutherford and Bohr, and concepts of atomic number, mass number, isotopes and isobars.

12 min readWeightage: CBSE Class 9 Science — 5-6 marks30-question chapter test included

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Structure of the Atom (Science) is part of the CBSE board syllabus plan. Pick the batch by the year you appear in — Class 11 students join the two-year CBSE 2028 program, Class 12 students and repeaters join the one-year or crash program for CBSE 2027.

CBSE 2027 online coaching — 1 year Class 12 batchFull syllabus, revision and test series for the CBSE board 2027 attempt in batches of 20 — every formula here is drilled through daily practice.
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