XI-CBSE-CHEM-STRUCTURE OF ATOM-THEORY-EBOOK

TOPIC:
1. Discovery of Electron (Discharge or Crooks tube experiment)
2. Value of e/m
3. Charge on Electron: (1917–Robert Andrews Milliken) Oil Drop Experiment
4. Discovery of Proton
5. Discovery of Neutron
6. Atomic Number (Z)
7. Atomic Mass (A)
8. Isotopes (Discovered by “Soddy”)
9. Isobars (Discovered by ‘Aston’)
10. Isotones
11. Isosters
12. Isodiaphere
13. Mosley’s Law and Concept of Atomic Number
14. Atomic Models
15. Electromagnetic Spectrum
16. Properties of Waves – Wave Parameters
17. Black Body Radiations
18. Photoelectric Effect
19. Compton Effect
20. Particle Nature of Light
21. Emission Spectrum and Absorption Spectrum
22. Atomic Spectra
23. Hydrogen Spectrum
24. Neil’s Bohr Atomic Model
25. Drawbacks of Bohr Theory
26. Sommerfield Model
27. Wave Mechanical Model of Atom
28. Heisenberg Uncertainty Principle
29. Schrödinger wave Equation
30. Orbital Wave Function and Shapes or Orbitals
31. Probability Distribution Curves
32. Quantum Numbers
33. Filling of Various Orbitals in Atoms
34. Electronic Configuration of the First 36 Elements
35. Extra stability of half-filled and completely filled orbitals
36. Shielding (Screening Effect)