Which statement best compares the density among the three states of matter, except water for liquids?

Can someone me with questions 12 and 13 plz.

Explain that newton first law,second law and third law of motion?

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