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Structure of Atom class 9 Pdf Book
The Structure of an Atom
We learned Dalton’s atomic theory in chapter 3, which suggested that the atom was indivisible and indestructible. But the discovery of two fundamental particles(electrons and protons) inside the atom, led to the failure of this aspect of Dalton’s atomic theory.
It was then considered necessary to know how electrons and protons are arranged within an atom. For explaining this, many scientists proposed various atomic models. J.J. Thomson was the first one to propose a model for the structure of an atom.
Structure of atom class 9 pdf Download
| Pdf Book Name | Structure of atom class 9 pdf |
| Source | NCERT |
| Pdf Size | — |
| Pages | 46 |
| Category | NCERT Book |
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