ICSE CHEMISTRY CLASS 9 ATOMIC STRUCTURE BY GAYATRI MEHTA
1. DALTON’S ATOMIC THEORY
2. DISCOVERY OF ELECTRON CATHODE RAYS
3. PROTONS
4.THOMSON’S PLUM PUDDING MODEL
5. DISCOVERY OF NEUTRONS
6. CHARACTERISTICS OF ELECTRON , PROTONS AND NEUTRONS
7. ALPHA SCATTERING EXPERIMENT
8. RUTHERFORD MODEL OF ATOM
9. BOHR MODEL OF ATOM
10. ATOMIC STRUCTURE
11. ATOMIC NO. , MASS NO.
12. REPRESENTATION OF AN ELEMENT
13. VALENCE ELECTRONS
14. ELECTRONIC DIAGRAMS OF FIRST 20 ELEMENTS
15. ISOTOPES
16. ISOBARS
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