6.5 Valence electrons determine molecular shape How to determine the three H-ic-H CEo dimensional structure of a covalent compound? Valence shell electron-pair repulsion(vEsPra:any given pair of valence shell electrons strives to get as far away as possible from all other electron pairs in the she6.5 Valence electrons determine molecular shape How to determine the three dimensional structure of a covalent compound? Valence shell electron-pair repulsion (VESPR): any given pair of valence￾shell electrons strives to get as far away as possible from all other electron pairs in the shell