5 ZnSO4 a. Count the number of Sulfur atoms =

b. How many total atoms are given in the compound =

If a || b and e || f, what is the value of y ?

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.