An idle ball on a hilltop, though not moving, contains a. potential energy b. kinetic energy c. sound energy d. potential energy and kinetic energy

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]

How are elements arranged in a periodic table

What is the equilibrium constant of aa+bb=cc+dd