Contents: Part I- The atoms, Chapter I-Atomic phenomena and rutherford model of atoms,Chapter- 2 Atomic spectra and bohr model of atoms,Chapter 3 Complex atom's quantum number and periodic table of atoms,Chapter 4 Molecular spectra,Chapter 5 The X-rays,Part II- The electrons,Chapter-6 Emission of electrons from metals,Chapter 7 Positive rays and mass spectroscopy,Chapter 8 Quantum theory of radiation,Chapter 9 Wave nature of particles,Chapter 10 Space and time-relativistic mechanics,Chapter 11 Wave mechanics.
