Polyatomic Ions

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Last updated 9:33 AM on 9/21/26

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31 Terms

1

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NH₄⁺

ammonium

2

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NO₂⁻

nitrite

3

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NO₃⁻

nitrate

4

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SO₃²⁻

sulfite

5

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SO₄²⁻

sulfate

6

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HSO₄⁻

hydrogen sulfate (bisulfate)

7

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S₂O₃²⁻

thiosulfate

8

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C₂O₄²⁻

oxalate

9

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OH⁻

hydroxide

10

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PO₃³⁻

phosphite

11

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PO₄³⁻

phosphate

12

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HPO₄²⁻

hydrogen phosphate

13

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H₂PO₄⁻

dihydrogen phosphate

14

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ClO₄⁻

perchlorate

15

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ClO₃⁻

chlorate

16

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ClO₂⁻

chlorite

17

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ClO⁻

hypochlorite

18

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BrO₃⁻

bromate

19

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IO₃⁻

iodate

20

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CH₃COO⁻

acetate

21

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C₂H₃O₂⁻

acetate

22

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CO₃²⁻

carbonate

23

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HCO₃⁻

hydrogen carbonate (bicarbonate)

24

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CrO₄²⁻

chromate

25

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Cr₂O₇²⁻

dichromate

26

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MnO₄⁻

permanganate

27

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O₂²⁻

peroxide

28

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CN⁻

cyanide

29

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OCN⁻

cyanate

30

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SCN⁻

thiocyanate

31

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CH₃COO⁻

acetate