Sodium (atomic #11) and chlorine (atomic #17) bind together to form sodium chloride (nacl), also known as salt. the type of bond that forms between these two elements is an ionic bond. choose the correct description for what is happening in each atom. a. sodium and chlorine share two valence electrons. b. sodium donates 1 electron, and chlorine accepts it. c. chlorine donates 1 electron, and sodium accepts it. d. both atoms are stable and therefore do not need to share electrons