List the Polyatomic Ions, Including the Number of Each Type

Multiple Choice

List the polyatomic ions, including the number of each type, present in the compound, (NH₄) ₃PO₄. Hint: Think about the requirements for forming ionic compounds and how this affects the number of each ion present in the formula.

A) 4N^3-, 12H⁺, PO₄^2-
B) 3NH⁴⁺, 4PO₄^3-
C) N^3-, 12H⁺, P^3- ; 4O^2-
D) 3NH₄⁺, PO₄^3-
E) 4NH⁺, 3PO₄^3-