Describe the electron transfers that occur in the formation of calcium fluoride from elemental calcium and elemental fluorine. describe the electron transfers that occur in the formation of calcium fluoride from elemental calcium and elemental fluorine. each ca atom transfers two electrons to each fluorine atom. each ca atom transfers one electron to each of two fluorine atoms. each ca atom transfers two electrons to each of two fluorine atoms. each ca atom transfers one electron to each fluorine atom.