Polyatomic ions table 4.4

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Chemistry

Molecular & Ionic Compounds

GCSE Chemistry

Last updated 2:38 AM on 3/3/25
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25 Terms

1
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CO3 2-

Carbonate

2
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HCO3 -

Hydrogen carbonate or bicarbonate

3
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CH3COO-

Acetate

4
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CN-

Cyanide

5
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SCN-

Thiocyanate

6
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ClO-

Hypochlorite

7
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ClO2 -

Chlorite

8
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ClO3 -

Chlorate

9
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ClO4 -

Perchlorate

10
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CrO4 2-

Chromate

11
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Cr2O7 2-

Dichromate

12
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MnO4 -

Permanganate

13
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N3 -

Azide

14
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NH4 +

Ammonium

15
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NO2 -

Nitrite

16
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NO3 -

Nitrate

17
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OH -

Hydroxide

18
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O2 2-

Peroxide

19
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PO4 3-

Phosphate

20
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HPO4 2-

Hydrogen phosphate

21
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H2PO4 -

Dihydrogen phosphate

22
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SO3 2-

Sulfite

23
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SO4 2-

Sulfate

24
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HSO3 -

Hydrogen sulfite or bisulfite

25
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HSO4 -

Hydrogen sulfate or bisulfate