Help .. question In order to properly represent the reaction, the equation should be

The amounts of atoms on each side of the

sign should be equal.

Here's the complete statements ~

In order to properly represent the reaction, the equation should be Balanced

The amounts of atoms on each side of the Arrow sign should be equal.

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.