I believe it was decomposition reaction
Answer:
the transition from water to steam is call evaporation.
Explanation:
water evaporates or vaporizes and turns into steam this typically happens when heat meets with the water. an example would be if you boil water steam will release from the pot, or when it rains, snows, etc (precipitation) the water evaporates and the ground dries.
If you're including protons that are bound as part of an atomic nucleus, then, yes, under certain conditions.
