Select the correct answer from each drop-down menu. What causes atoms to form covalent bonds?
a In a covalent bond, two atoms are held together by the attraction between
*) . The number o
covalent bonds that an atom can form depends on the number of
Y in the atom.

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.