Sir, I study in class 10. I did not read structure of atom in class 9. I have no money. How to study this chapter.
you can study from ashish arora youtube channel for all the classess for free
you can study the our chapter notes of structure of atom on our site, plz click on this link:http://www.dronstudy.com/book/structure-of-the-atom-chapter-notes/
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