Match the scientist to his contribution to the atomic theory. (4 points) 1. John Dalton 2. Niels Bohr 3. Ernest Rutherford 4. J. J. Thomson a. Electrons are scattered within the atom. b. Atoms are the smallest unit of an element. c. Protons are at the center of an atom. d. Electrons are in orbital levels.

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.