Which of the following is the smallest atom? Why? Al Si P

aluminum's atomic mass is 26.982

silicon is 28.0855

and phosphorus is 30.973762

Explanation:

so aluminium wold be the smallest

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .

clouds form

solid ice forms on leaves.

water droplets form on grass.