Answer:
Water vapor to dew
Explanation:
Water vapor turns from a gas into a liquid, such as dew on the morning grass.
I assume you mean diato
mic elements.
Those are hydrogen, oxygen, nitrogen, fluorine, chlorine, bromine, and iodine. They all exist in the form

(

). Where they are all bonded to another one of themselves (a hydrogen atom binds to another hydrogen atom, a fluorine atom binds to another fluorine atom, etc.)
if you work it put you will get the 3rd one I think