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