common polyatomic ions name ACT

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mtt08
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Last updated: December 6, 2025
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First submittedDecember 6, 2025
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Answer
Hint
NH4+
ammonium
NO2-
nitrite
OH-
hydroxide
CN-
cyanide
MnO4-
permanganate
HCO3-
hydrogen carbonate
ClO-
hypochlorite
ClO2-
chlorite
ClO3-
chlorate
ClO4-
perchlorate
BrO3-
bromate
IO3-
iodate
Answer
Hint
IO4-
periodate
C2H3O2 -
acetate
CO3 2-
carbonate
SO3 2-
sulfite
SO4 2-
sulfate
S2O3 2-
thiosulfate
O2 2-
peroxide
CrO4 2-
chromate
Cr2O7 2-
dichromate
HPO4 2-
hydrogen phosphate
PO4 3-
phosphate
AsO4 3-
arsenate
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