In one to two sentences, explain why structural formulas are good for depicting polymers (SHORT ANSWER)

hey where r u from and hru doiing?

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

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.