Polyatomic Ions Review 7th hour

Which of the following is carbonate?

• Cr₂O₄^-2

• CH₃COO^-

• CO₃^-2

• CN^-

Dichromate

• CrO₄^2-

• CO^2-

• CrO₇^2-

• Cr₂O₇^2-

The oxidation number of the sulfate & sulfite ions is

• +1

• -1

• +2

• -2

• +3

The elements on the left side of the periodic table are generally always ______ and the elements on the right side of the periodic table are generally always ______.

• cations; anions
• anions; cations
• reactive; non-reactive
• non-reactive; reactive

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Nitrite

• NO₂^-
• NO₃^-
• MnO₄^-
• NH₄⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of this polyatomic ion?  NH^₄+

• Chlorate
• Nitrate
• Nitrite
• Ammonium

ClO₃^-

• chlorite
• chlorate

Tags

NGSS.MS-PS1-1

What is the formula for the phosphate ion?

• P^-3

• PO₄^-2

• PO₃^-3

• PO₄^-3

What is the formula for the chromate ion?

• Cr⁺³

• CrO⁺²

• CrO₄^-2

• CrO₄⁺²

What is the formula for the acetate ion?

• AcO₄^-2

• AcO₃^-2

• C₂H₃O₂^-1

• C₂H₃O₂^-2