Atom Timeline

By lashaunarenee

  • dalton

    the first atomic model and was developed by john dalton in the early 19th century. He hypothesized that an atom is a solid sphere that could not be divided into smaller particles

  • thompson

    proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged

  • rutherford

    The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative constituents, called electrons.

  • bohr

    The bohr model is a planetary model in which the negatively charged electrons orbit a small, positively charged nucleus

  • Schrodinger

    the quantum mechanical model of the atom, which treats electrons as matter waves

  • the end.