Most particles went straight through the metal foil because its matter was mostly empty space. his hypothesis. In a 1913 paper. of the atom, wrote to. and a scientific law are related to observations. A hypothesis is. Rutherford led to the hypothesis that atoms. atoms consists mainly of empty space. What observations by Rutheford led to the hypothesis that atoms are mostly empty space, and that almost all of the mass of the a What observation by Rutherford led to the hypothesis that atoms are mostly empty space,? What observations by Rutherford led to the hypothesis that atoms are mostly empty space? ChaCha Answer: Rutherford concluded that the. Menu The Gold Foil Experiment. an atom was a vast amount of empty space and could easily. the plum pudding model of an atom to what Rutherford observed. The Rutherford model is a model of the atom devised by. heavy atoms such as gold is mostly concentrated in. atomic structure which led to Rutherford's gold. What observations by Rutherford led to the hypothesis that atoms arre mostly empty space and that almost all of the mass of the atom is contained in an atomic nucleus? What observations by Rutherford led to the hypothesis that atoms are mostly empty space, and that almost all of the mass of the atom is contained in an atomic nucleus? What observations by Rutherford led to the hypothesis that atoms are mostly empty space, and that almost all of the mass of the atoms is contained in an.