Iron (ll) is available to bond with Chloride ion. How many of each type of ion will bond to form an ionic compound? A) 2 iron , 3 chloride
B) 3 iron , 1 chloride
C) 1 iron , 2 chloride
D) 2 iron, 1 chloride

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products