Chemistry Class 9 Chapter 2 Important MCQs Federal Board
Chemistry Class 9 Chapter 2 mcqs Federal Board Structure of Atoms Important MCQs A.large B.charged C.small D.electronic Answer: C Note!! A scanning tunneling microscope (STM) is a type of microscope used to capture atomic-level images of surfaces. 2. In 1911 ____ performed an experiment in order to know the arrangement of electrons and protons in …
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