NEED HELP WITH 2
 Which of the following pairs of elements would most likely form a salt? 
 Na and Al 
 K and I 
 I and F 
 O and F 
 which of the following best describes ionic bonding?
 An ionic bond involves two nonmetals that share electrons. 
 An ionic bond involves a metal that exchanges electrons with a nonmetal. 
 An ionic bond involves a metal that shares electrons with a nonmetal. 
 An ionic bond involves two metals that exchange electrons.