4.63 Place the elements in each set in order of increasing ionization energy. a. F,Cl,Br b. Na,Cl,Al c. Na,K,Cs d. As,Ca,Br 4.65 Fill in the following blanks using larger or smaller, more metallic or less metallic. Na has a atomic size and is than P. 4.67 Place the following in order of decreasing metallic character: Br,Ge,Ca,Ga