Memory Lewis StructuresVersion en ligne Formal Charges, Resonance structures par Marissa Corr zero on all elements, or has the negative charge on the most electronegative atom. 7- (.5)(2) - 6 =0 # valence electrons - 1/2(# bonding e's) - (# non-bonding e's) How many single bonds and how many lone pairs does HCl contain? What is the mathematical process of finding the formal charge of Cl in HCl? Formula for formal charge Tetrahedral 18 The molecular geometry of SO2 is 3, 1 Bent 1, 3 1, 2, 8 The most stable resonance charge has a formal charge that is: The molecular geometry of CF4 is