Which statement identifies a difference between an ionic bond and a covalent bond? 
 A. an ionic bond is a bond between charged atoms, while a covalent bond is a bond between neutral atoms 
 b. an covalent bond as a bond between charge atoms, while an ionic bond is a bond between neutral atoms 
 c. an ionic bond shares electrons, while a covalent bond is an attraction between opposite charges 
 d. an ionic bond is a bond between charged atoms, while a covalent bond is a bond between opposite charges