The properties of two elements are listed below. element atomic radius (pm) ionic radius (pm) first ionization energy (kj/mol) electron affinity (kj/mol) electronegativity br 114 195 1140 –325 3.0 k 243 152.2 418.8 –48.4 0.82 which prediction is supported by the information in the table? k will give up an electron more easily than br. both k and br will have the same pull on electrons. k will have a smaller size in comparison to br. both k and br will produce ions of the same size.