Polyatomic Ions

Which polyatomic ion has the formula NO3−

• Nitrate

• Nitrite

• Hydroxide

• Cyanide

Identify the polyatomic ion with the formula NO2−.

• Nitrite

• Nitrate

• Perchlorate

• Bicarbonate

Which ion is represented by OH−?

• Hydroxide

• Peroxide

• Phosphate

• Acetate

Select the correct name for CN−.

• Cyanide

• Chromate

• Bromite

• Phosphate

What is the name of SCN−?

• Thiocyanate

• Sulfate

• Oxalate

• Arsenate

Choose the correct formula for acetate with a −1 charge.

• C2H3O2−

• CO3−

• SO4−

• NH4+−

MnO4− corresponds to which ion?

• Permanganate

• Perbromate

• Chlorate

• Phthalate

HCO3− is the formula for which polyatomic ion?

• Bicarbonate

• Hypochlorite

• Chromate

• Peroxide

Which ions have a −2 charge? Match each name to its formula.

• SO4−2

• Phthalate

• C8H4O4−2

• Sulfate

• CO3−2

• Carbonate

SO3−2 is the formula for which ion?

• Sulfite

• Sulfate

• Peroxide

• Oxalate