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