Draw the best Lewis structure for the following three compounds:
______, ______ and _______. The instructors will choose three
molecules from the following list for the exam. All structures must
be perfect to get credit for this question. Possible compounds:
CO2, CH2O, BH3, H2O, CH4, SF6, SF4, PCl5, ICl4 - , NH4 + , SF5,
SF5
Lewis Diagrams -- Formal ChargesHow many lone pairs are in the best Lewis structure of SeCN-? What is the formal charge on the O atom in the correct or best
Lewis structure for CO? +7 +6 +5 +4 +3
+2 +1 0 -1 -2 -3 -4 -5 -6 -7 What is the total number of valence electrons in the Lewis structure of NO2-?