Chemistry- Polyatomic Cations

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Naming cations

Last updated 6:59 AM on 9/22/26
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25 Terms

1
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Ammonium

NH4 +

2
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Carbonate

CO3 2−

3
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Bicarbonate/Hydrogen Carbonate

HCO3 −

4
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Acetate

CH3COO− (or CH3CO2 − or C2H3O2 − )*

5
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Cyanide

CN−

6
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Oxalate

C2O4 2−

7
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Nitrite

NO2 −

8
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Nitrate

NO3 −

9
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Hydroxide

OH−

10
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Peroxide

O2 2−

11
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Phosphate

PO4 3−

12
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Hydrogen Phosphate

HPO4 2−

13
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Dihydrogen Phosphate

H2PO4 −

14
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Sulfite

SO3 2−

15
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Hydrogen Sulfite/Bisulfite

HSO3 −

16
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Sulfate

SO4 2−

17
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Hydrogen Sulfate/Bisulfate

HSO4 −

18
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Thiosulfate

S2O3 2−

19
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Chromate

CrO4 2−

20
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Dichromate

Cr2O7 2−

21
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Hypochlorite

ClO−

22
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Chlorite

ClO2 −

23
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Chlorate

ClO3 −

24
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Perchlolate

ClO4 −

25
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Permanganate

MnO4 −