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Common Polyatomic Ions: Names

Enter some of the Common Polyatomic Ions based on the Formula.
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The order will be randomized every attempt
Quiz by
johndykstra
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Last updated: October 22, 2025
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First submittedOctober 22, 2025
Times taken144
Average score76.0%
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Hint
Answer
ClO⁻
Hypochlorite
HCO₃⁻
Hydrogen Carbonate
NH₄⁺
Ammonium
NO₃⁻
Nitrate
CN⁻
Cyanide
C₂H₃O₂⁻
Acetate
OH⁻
Hydroxide
ClO₄⁻
Perchlorate
HPO₄²⁻
Hydrogen Phosphate
PO₄³⁻
Phosphate
SO₄²⁻
Sulfate
SiO₃²⁻
Silicate
HSO₄⁻
Hydrogen Sulfate
Hint
Answer
ClO₂⁻
Chlorite
H₂PO₄⁻
Dihydrogen Phosphate
CrO₄²⁻
Chromate
NO₂⁻
Nitrite
C₂O₄²⁻
Oxalate
MnO₄⁻
Permanganate
Cr₂O₇²⁻
Dichromate
SO₃²⁻
Sulfite
CO₃²⁻
Carbonate
ClO₃⁻
Chlorate
PO₃³⁻
Phosphite
HSO₃⁻
Hydrogen Sulfite
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