The current model of the atom in which essentially all of an atom's mass is contained in a very small nucleus,whereas most of an atom's volume is due to the space in which the atom's electrons move was established by
A)Millikan's oil drop experiment.
B)Rutherford's gold foil experiment.
C)Thomson's cathode ray tube experiment.
D)None of these

Question

Quizplus · Accepted Answer

Rutherford's gold foil experiment provided evidence for the existence of a small, dense nucleus at the center of an atom, which contains most of the atom's mass. Thomson's cathode ray tube experiment provided evidence for the presence of negatively charged electrons, but did not provide information on the structure of the nucleus. Millikan's oil drop experiment determined the charge of an electron, but did not provide information on the structure of the nucleus or the distribution of electrons within an atom.

The Current Model of the Atom in Which Essentially All