When water molecules gain a hydrogen ion, the ion that forms is . A. hydronium
B. hydroxide
C. water ion
D. hydrogen ion

it is a good conductor

explanation:

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.

it's c (engineer's do their work with mechanical stuff not on any living being)