What elements would you expect to lose electrons in chemical changes? potassium, sulfur, fluorine, barium or copper.

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.

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species