Covalent compounds:
a)are formed from one metal and one nonmetal
b) exchange electrons in a chemical bond
c) have a low melting point
d)have weaker bonds than ionic compounds

which answer would be correct i think maybe b

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule