Which of the following describes a limiting reactant? Question 5 options:

A)

An inert element

B)

The reactant that runs out first and limits how much product can be made

C)

The reactant that runs out last and limits how much product can be made

D)

The reactant that is present at the smallest mass

the reactant in a chemical reaction that determines the amount of product that is formed

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.