Polyatomic Ions

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chem chem chem chem

Last updated 10:45 AM on 10/5/26
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39 Terms

1
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Ammonium

NH4+

2
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Hydronium

H3O+

3
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Acetate

C2H3O2-

4
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Acetate 2

CH3COO-

5
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Azide

N3-

6
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Bromate

BrO3-

7
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Cyanide

CN-

8
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Dihydrogen phosphate

H2PO4-

9
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Bicarbonate

HCO3-

10
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Hydrogen carbonate

HCO3-

11
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Bisulfate

HSO4-

12
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Hydrogen sulfate

HSO4-

13
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Hydroxide

OH-

14
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Nitrate

NO3-

15
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Nitrite

NO2-

16
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Perchlorate

ClO4-

17
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Chlorate

ClO3-

18
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Chlorite

ClO2-

19
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Hypochlorite

ClO-

20
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Iodate

IO3-

21
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Permanganate

MnO4-

22
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Thiocyanate

SCN-

23
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Carbonate

CO3^2-

24
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Chromate

CrO4^2-

25
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Dichromate

Cr2O7^2-

26
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Hydrogen phosphate

HPO4^2-

27
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Sulfate

SO4^2-

28
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Sulfite

SO3^2-

29
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Thiosulfate

S2O3^2-

30
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Oxalate

C2O4^2-

31
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Silicate

SiO3^2-

32
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Tetraborate

B4O7^2-

33
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Peroxide

O2^2-

34
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Selenate

SeO4^2-

35
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Tartrate

C4H4O6^2-

36
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Phosphate

PO4^3-

37
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Phosphite

PO3^3-

38
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Arsenate

AsO4^3-

39
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Borate

BO3^3-