Chemistry is defined as: A) Blowing stuff up until something gets mixed in a test tube
B) Why are you asking me this question?
C) Mixing stuff in test tubes until something blows up
D) Mixing stuff in test tubes
E) The study of the interaction of matter and energy.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.