What type of molecule does water dissolve?

Generally speaking, water is good at dissolving ions and polar molecules, but poor at dissolving nonpolar molecules.

Explanation:

Generally speaking, water is good at dissolving ions and polar molecules, but poor at dissolving nonpolar molecules

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.