Condensation is the change from liquid water to water vapor requires dust or other tiny particles happens more quickly in dry locations than in wet ones drives the water cycle

Condensation is a process where a substance in the gas state is changed into a liquid state by removing heat to the system. It is the reverse of evaporation. Condensation is always associated with the water cycle. It is an important part of the water cycle since it is responsible for the clouds to form.

You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom.