Covalent Bonding and Lewis Structures Extra Practice Questions 1. Draw Lewis Structures for each of the following: a) NH3 b) H2O c) TeF4 d) CS2 e) PCl5 f) XeF2 g) CFHBr2 h) Cl3i) PO43j) HCN k) HCOCl l) BCl3 2. How many resonance structures do the following have? a) SO42b) CO32c) NO23. What is the overall bond order of each ion in 2?