Notes of Chapter 05: Atomic structure of “Chemistry XI” for FSc Part 1 published by Punjab Textbook Board, Lahore. These notes are very helpful to prepare Chemistry paper of FSc Part 1 for Federal Board, Multan Board, Faisalabad Board, Sargodha Board, Gujranwala Board, DG Khan Board, Rawalpindi Board or any other board of Punjab, Pakistan.
we are familiar with the nature of matter, which is made up of extremly small particles called atoms. According to Dalton's theory, atoms were considered to b the ultimate particles which could not be divided any furthur …
Sub-atomic particles of atom
Discovery of electron
Properties of cathode rays
Discovery of proton
Properties of positive rays
Discovery of neutron
Properties of neutron
Measurement of e/m value of electron
Measurement of charge on electron
Rutherford's model of atom
Planck's quantum theory
Bohr's model of atom
Spectrum
Continuous spectrum
Atomic or line spectrum
Atomic emission spectrum
Atomic absorption spectrum
Hydrogen spectrum
Origin of hydrogen spectrum
X-rays and atomic number
Wave-Particle nature
Heisenberg's uncertanity principle
Quantum numbers
Electronic distribution