3. Chemical Reactions

Which category does the ion PO4^{3-} belong to?

Which of the following is a correct formula and name for a common polyatomic ion?

Which of the following is the correct chemical formula for the polyatomic ion ammonium?

Which of the following is an example of a polyatomic ion?

How many sulfate ions are present in one formula unit of aluminum sulfate?

What is the charge of the sulfate ion, SO_4?

What is the charge on the carbonate ion?

Which of the following is the correct formula for the sulfate ion?

Which of the following polyatomic ions cannot have a Lewis structure with an expanded octet?

What is the name of the polyatomic ion with the formula ClO_2^-?

Which statement is true about a polyatomic ion?

What is the charge of the phosphate ion in K3PO4?

Which of these pairs of elements is most likely to be found together in a common polyatomic ion?

Which of the following is the correct chemical formula for the hydrogen sulfite ion?

Which of the following correctly identifies the polyatomic ion present in manganese(II) sulfite (MnSO3) and manganese(II) sulfate (MnSO4)?