IN THE CLASSIFICTION OF MATER, HOW WOULD WE CLASSFLY AIR,

Air would be considered a part of the macroscopic domain.

Explanation:

Because moisture in the air, icebergs, and the ocean represents water in the macroscopic domain.

your picture is not part of the scientific method.

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.