Class 9th Chemistry Structure of the Atom Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Structure of the Atom Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Rutherford’s Model of an Atom Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : BOHR’s Model of Atom Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Neutrons Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Valency Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Atomic and Mass Number Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Isotopes Structure of the Atom Class 9th ChemistryChapter: Structure of the AtomTopic : Application of Isobars