lone pair
pair of valence electrons that are not shared with another atom; concept used in valence shell electron pair repulsion theory (VSEPR theory) which explains the shapes of molecules
en-US/ˈloʊn ˈpɛɹ/
en-GB/ˈləʊn ˈpɛə/
pair of valence electrons that are not shared with another atom; concept used in valence shell electron pair repulsion theory (VSEPR theory) which explains the shapes of molecules