C. Using Models to see the relation between shape of molecales ost Lab Based on the Lewis structure, make a model of each molecule or polyatomic ion listed below molecular geometry around the central atom in each case. In the case of molecules determine whether they are polar or not Using the m the followi Bond angles groups* on peonetry central atom (haned on model) (based on Molecule Eample H NII, A itle Less Trigonal than 109 5 NH4 SO, HCN Not applicable for CH CI CHCh Ho Not applicable for co 2. Dc bonded to the central atom no, of lone pairs + no. of atoms electron groups the du