Which of the following Group 1 elements has the highest ionization energy? by Sunday | Aug 22 | Chemistry WAEC | 0 comments A. 55Cs B. 37Rb C. 19K D. 11Na E. 3Li Correct Answer: Option E – 3Li Users Also Read These:What is the probability? of a man of blood group AB…Elements with high ionization energies wouldWhich of the following arrangements is in order of…What is the probability of producing a child of…Which of the following substances has the highest…