Which Nitrogenous Waste Has the Greatest Number of Nitrogen Atoms

Question

Which nitrogenous waste has the greatest number of nitrogen atoms?
A)ammonia
B)ammonium ions
C)urea
D)uric acid

Accepted Answer

Uric acid has four nitrogen atoms, while ammonia and ammonium ions only have one, and urea has two. Therefore, uric acid has the greatest number of nitrogen atoms among these options.