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