Why would an eclipse not occur every time the moon and the earth are in these positions?

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]

Why is carbon ideal for making different compounds?

Correct relationship between molecular formula and empirical formula