Rutherford tested Thomson's hypothesis by devising his "gold foil" experiment. Rutherford reasoned that if Thomson's model was correct then the mass of the atom was spread out throughout the atom. He inferred a small, dense, positively-charged nucleus.
work cites:. "Atomic Timeline." tripod.com. N.p.. Web. 27 Jan 2013. http://craigjm.tripod.com/physics.html.
Picture cites: Rutherford's atom model. N.d. n.p. Web. 27 Jan 2013. <>.