2. Sum and use of valence electrons Instructor Use Only 1. Formula from strip Sbels 3. Lewis structure(s) 4. Formal charges Sum of Valence Electrons Charges(s) (add-, subtract +) Total Electrons Available Used in Initial Single Bonds (Only) Remaining Used on Peripheral Atoms Remaining Put on Central Atom Remaining 5. Bonds and lone pairs on central atom 6. Electron Group Arrangement 7. VSEPR Class (or Family) 8. Molecular Shape