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📘 Class 9 Science Course – NCERT Exploration Complete Guide

Journey inside the Atom

6 topics · Flashcards · MCQ Quiz · Free preview available

Topics in this Lesson

Ancient Atomic Theories and Dalton

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Atomic Models – Thomson and Rutherford

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Bohr's Model of the Atom

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Atomic Number, Mass Number, and Electronic Configuration

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Valency, Isotopes, and Isobars

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Discovery of subatomic Particles

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