For the following substances, give the electron pair geometry, molecular geometry, and hybridization of the central atom(s). Put your answer in the following format; electron pair geometry, molecular geometry, hybridization. If hybridization does not exist, write none. Example: trigonal pyramidal, tetrahedral, sp3 a. HCN Write your response here... b. BF Write your response here... c. XeF4 Write your response here... d. H3O+ Write your response here...