Exploring Polyatomic Ions and Ternary Naming

What does the term 'polyatomic ion' mean?

• An ion with a single atom

• An ion with no charge

• An ion with multiple charges

• An ion made of many atoms

Which of the following is a common polyatomic ion?

• Chloride

• Sulfide

• Oxide

• Nitrate

What is the charge of the acetate ion?

• -1

• +2

• +1

• -2

How do you name the compound formed by lithium and nitrate?

• Lithium nitride

• Lithium nitrate

• Lithium nitrite

• Lithium sulfate

What is the formula for lithium sulfate?

• LiSO4

• Li(SO4)2

• Li2(SO4)3

• Li2SO4

What charge does chromium have in chromium(III) nitrate?

• +4

• +3

• +1

• +2

How do you write the formula for chromium(III) nitrate?

• Cr3(NO3)2

• Cr(NO3)4

• Cr(NO3)2

• Cr(NO3)3

What is the charge of the phosphate ion?

• -1

• -2

• -3

• +1

What is the name of the acid with the formula HCl?

• Hydrochloric acid

• Sulfuric acid

• Nitric acid

• Carbonic acid

What is the formula for carbonic acid?

• HNO3

• HCO3

• H2SO4

• H2CO3