3. Chemical Reactions

Which of the following is a polyatomic ion?

Which of the following is the correct chemical formula for the chromate ion?

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?