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development of atomic model

By Saljuq
  • First ever concept of atom
    440 BCE

    First ever concept of atom

    Democritus gave the idea of small partials that form everything
  • opposition of Aristotle

    opposition of Aristotle

    john Dalton he proved that all common elements always broke down into same elements
  • Negative charge???

    Negative charge???

    JJ Thomas discovered the electron a particle which is negatively charged
  • Father of the nuclear age

    Father of the nuclear age

    Reatherford was able to discover that electrons orbited around a nucleus
  • bohr model

    bohr model

    Niels Bohr discovered that electron orbit the nucleus at fixed energy
  • "speed and position of electron"

    "speed and position of electron"

    Heisenberg's theory was anyone cannot determine the position and speed of an electron at the same time