Using clear labelled dot-cross diagrams explain how the following atoms bond together: (i) potassium and fluorine in potassium fluoride, (KF)
(ii) hydrogen and oxygen in water, (H2O)
(iii) fluorine and boron in boron trifluoride, (BF3)

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.