7.4  Short Answer Questions 1) Give the electron geometry, molecular geometry, and hybridization for both carbons in CH3COOH. 2) Determine the hybridization about each interior atom in the following structure. Sketch the three-dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3 3) According to molecular orbital theory, what is an antibonding orbital? 4) Use molecular orbital theory to determine whether He22? or He2? is more stable. Draw the molecular orbital diagram for each and explain your answer.