9.2 VSEPR theory The strength of repulsions are in the order: lone pair-lone pair lone pair-atom>atom-atom Two pairs A pair of lone of lone electrons electron 104.5 107.3 Ammonia molecule Water molecule one pairs should in the positions to minimize the repulsion between the electron domains- The are in the order: - - strength of repulsions lone pair lone pair lone pair atom atom atom > > 9.2 VSEPR theory Lone pairs should in the positions to minimize the repulsion between the electron domains