Which activity is an example of a chemical change? A) Dissolving table sugar in water.

B) Drops of water forming on a cup of iced tea on a hot day.

C) Melting gold to make jewelry.

D) An old penny rusting.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided