What is the mass percent of chlorine in the PCl, molecule? Select your trail path below:
A) 53.4%; go to #9
C) 85.1%; go to #2
B) 17.3%; go to #7
D) 14.9%; go to #13

e

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.