Chem Polyatomicionss

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Last updated 5:34 PM on 9/9/25
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38 Terms

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Acetate

C2H3O2-

2
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Ammonium

NH4+

3
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Carbonate

CO32-

4
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Chromate

CrO42-

5
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Cyanide

CN−

6
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Dichromate

Cr2O72-

7
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Dihydrogen phosphate

H2PO4-

8
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Hydrogen carbonate (bicarbonate)

HCO3−

9
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Hydrogen phosphate (biphosphate)

HPO42-

10
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Hydrogen sulfate (bisulfate)

HSO4−

11
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Hydronium

H3O+

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Hydroxide

OH−

13
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Mercury(I)

Hg22+

14
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Nitrate

NO3−

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Nitrite

NO2−

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Oxalate

C2O42-

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Permanganate

MnO4−

18
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Peroxide

O22-

19
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Phosphate

PO43-

20
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Phosphite

PO33-

21
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Sulfate

SO42-

22
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Sulfite

SO32-

23
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Thiocyanate

SCN-

24
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Thiosulfate

S2O32-

25
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Acetic acid

HC2H3O2

26
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Carbonic acid

H2CO3

27
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Chromic acid

H2CrO4

28
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Hydrocyanic acid

HCN

29
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Dichromic acid

H2Cr2O7

30
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Nitric acid

HNO3

31
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Nitrous acid

HNO2

32
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Oxalic acid

H2C2O4

33
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Permanganic acid

HMnO4

34
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Phosphoric acid

H3PO4

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Phosphorous acid

H3PO3

36
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Sulfuric acid

H2SO4

37
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Sulfurous acid

H2SO3

38
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Thiosulfuric acid

H2S2O3