Timeline of Atomic and Subatomic Physics - Early Beginnings

Early Beginnings

  • 440 BC Democritus speculates about fundamental indivisible particles—calls them "atoms"
  • 2nd century BC Kanada theorizes the existence of four kinds of atoms, which could combine to produce diatomic and triatomic molecules.

Read more about this topic:  Timeline Of Atomic And Subatomic Physics

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