Description

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