This the gaseous phase of water.
water vapor
Fog is a good example of water vapor. It is made up of molecuels of water, though some particles are much larger but still light enough to float on the air.
(evaporation) water becomes vapor, (condensation)vapor is still vapor, (precipitation) vapor becomes water again...
When the water gets supper hot it can change to water vapor.
Water forms by the condensation of water vapor.
water vapor
water vapor
water vapor
steam clouds water vapor
Steam (in all its uses), water vapor (as in humidity).
The condensing of water vapor in to water dropplets
For example, nuclear fuels.
Example: Ice, Water, Water Vapor
an example of air pressure would be 45% of water vapor outside.
chemical change
condensation
condensation