Part A.  An iodine atom (I) has a Lewis structure with [ Select ] 4 6 8 1 2 3 5 7 dots (electrons) in the outer shell.  Therefore, the atom has [ Select ] 3 2 4 1 0 unpaired electron(s) and [ Select ] -1 +1 0 charge.  An iodide anion (I-) has a Lewis structure with [ Select ] 6 2 5 8 4 1 3 7 dots (electrons) in the outer shell.  Therefore, the anion has [ Select ] 0 4 1 2 unpaired electron(s) and [ Select ] 0 +1 -1 charge. Part B.  An iodide anion (I-) has [ Select ] 1 2 3 4 electrons in the 5s orbitals and [ Select ] 4 1 5 3 2 6 electrons in the 5p orbitals.  The highest occupied molecular orbital (HOMO) is [ Select ] 6s 5p 4d 5s .多重下拉选择题