Timeline created by Ty And Jasmine
  • 460


    Democritus had a therory that everything was made up of atoms and this changed the perspective of many people into knowing this but people didnt actually care til thousands of years
  • John Dalton

    John Dalton
    He proposed the atomic therory that all matter was composed of small individual particals called atoms and that there is such of a thing that exixts
  • Jj Thomson

    Jj Thomson
    he disocvered that there were bodies smaller than the atom in the atom he called them electrons and that changed that they'er things that make up atoms also.
  • Period: to

    Ernest Rutherford

  • Ernest Rutherford

    Ernest Rutherford
    He discovered the nucleus of an atom. This changed the perspective of the atom because when he added the nucleus it changed the whole structure
  • Neils Bohr

    Neils Bohr
    he made up the Atomic Model and theoryized that electrons orbited the necleus in seperate diirections
  • Electron Cloud Model

    Electron Cloud Model
    this is a model where it tells you where the electrons could be around the atom. This changed the perspective because not just surrounding the atom like a force field but more like out of order and no order
  • James chadwick

    James chadwick
    In 1932, while working under Ernest Rutherford at Cambridge, James Chadwick proved the existence of neutrons, the elementary particle that had no electrical charge and was a important building block of the atom's nucleus.