How does energy flow between liquids and gas

After cloud droplets form, what must happen to them for precipitation to occur?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery