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CBSE: Check NCERT based important questions (with answers) for CBSE 9th Science Exam 2020-21 on Chapter 4 (Structure Of The Atom). These are some of the most simple & conceptual questions of this ...
Students use the terms isotope, atomic number, mass number, and atomic mass. Atomic Theory: Structure of the Atom: Students use the terms isotope, atomic number, mass number, and atomic mass to ...