Which part of modern atomic theory was first developed by John Dalton? A. Atoms cannot be divided.
B. Electrons are spread throughout an atom.
O C. Atoms are rearranged during chemical reactions.
O D. Electrons are found in a cloud around the nucleus.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?