Define reactivity of metals

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

Fred is studying a substance that is made out of only one element. this means that

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.