Name: ______________________________ Section: _____________________________ Student ID#:__________________________ Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1. Using the alphabet above, answer the following: how many letters have a mirror plane? how many letters have more than one mirror plane? how many letters have a rotational axis? which letter has the highest ordered rotational axis? which letters have an inversion center? 2. Determine all of the symmetry elements in each of the following: 0 1 your left shoe eclipsed ethane \(Fe(CO)_5\) \(CHF_3\) \(CF_2H_2\) \(CFH_3\) \(IBr_4^+\) \(COS\) \(IBr_4^-\) \(SO_2\) \(HF\) \(F_2\) \(BFCl_2\) \(BFClBr\) \(CoCl_3(OH_2)^-\) (excluding hydrogens) \(Cu(CN)_3\) (planar) 3. Determine the point group for each of the following: ( point group flow chart ) 0 1 \(SF_6\)​ eclipsed ethane \(CH_4\) \(CHF_3\) \(CF_2H_2\) \(CFH_3\) \(IBr_4^+\) \(COS\) \(IBr_4^-\) \(SO_2\) \(HF\) \(F_2\) \(BFCl_2\) \(BFClBr\) \(CoCl_3(OH_2)^-\) (excluding hydrogens) \(Cu(CN)_3\) (planar) \(Ni(CO)_4\) \(Fe(CO)_5\) your left shoe a round doorknob