Q. 8 – Page 55, Structure of Atom – Science – Class 9th
Q. 9 – Page 55, Structure of Atom – Science – Class 9th
Q. 10 – Page 55, Structure of Atom – Science – Class 9th
https://www.youtube.com/watch?v=4xAGBxkNguE
Q. 11 – Page 55, Structure of Atom – Science – Class 9th
Q. 13 – Page 55, Structure of Atom – Science – Class 9th
Q. 14 – Page 55, Structure of Atom – Science – Class 9th
Q. 15 – Page 55, Structure of Atom – Science – Class 9th
Q. 16 – Page 55, Structure of Atom – Science – Class 9th
Q. 17 – Page 55, Structure of Atom – Science – Class 9th
Q. 18 – Page 55, Structure of Atom – Science – Class 9th
Q. 19 – Page 56, Structure of Atom – Science – Class 9th
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