Get NCERT Class 9 Science Chapter 4 Structure of the Atom in PDF from this article. We have provided here the latest edition of the chapter for the current academic year. Students must read this ...
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Part of Physics (Single Science) Unit 1: Atomic and nuclear physics Most of the mass and all of the positive charge of an atom is in the nucleus. Most of an atom is empty space, (a vacuum). In 1897, ...
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