Classify Each Of the Following As Ionic Or Molecular, And Name Each: A. FePo3 B. Cl2O7 C. Br2 D. Ca3(PO4)2 E. PCl3 F. Al(ClO2)3

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