Structure of Atom

Topics in this chapter

• Discovery of Sub-atomic Particles

  • Introduction
  • Discovery of Electron
  • Charge to Mass Ratio of Electron
  • Charge on the Electron
  • Discovery of Protons and Neutrons

• Atomic Models

  • Introduction
  • Thomson Model of Atom
  • Rutherford's Nuclear Model of Atom
  • Atomic Number and Mass Number
  • Isobars and Isotopes
  • Drawbacks of Rutherford Model

• Developments Leading to the Bohr's Model of Atom

  • Introduction
  • Wave Nature of Electromagnetic Radiation
  • Particle Nature of Electromagnetic Radiation
  • Evidence for the Quantized Electronic Energy Levels: Atomic Spectra

• Bohr's Model for Hydrogen Atom

  • Introduction
  • Explanation of Line Spectrum of Hydrogen
  • Limitations of Bohr's Model

• Towards Quantum Mechanical Model of the Atom

  • Introduction
  • Dual Behaviour of Electromagnetic Radiation
  • Particle Nature of Matter: de Broglie's Relationship

• Quantum Mechanical Model of Atom

  • Introduction
  • Heisenberg Uncertainty Principle
  • Shapes of Atomic Orbitals
  • Energies of Orbitals
  • Filling of Orbitals in Atom
  • Electronic Configuration of Atoms
  • Stability of Completely Filled and Half-Filled Subshells