CPB Ljubljana 2018 course book

Atoms: History of Model Development

Current Composition of Quarks ?

1964 M. Gell-Mann Nucleons: Quarks

1932 E. Rutherford & J. Chadwick Protons & neutrons

1927 W: Heisenberg Orbitals

1903 E. Rutherford Nucleus-Electron Shell model (planetray model)

1897 J.J. Thomson Plum pudding model

1803 J. Dalton

Homogenous Mater sphere

Democritus 460-370 BC