polyatomic ions+acids and special molecules

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Chemistry

Molecular & Ionic Compounds

9th

Last updated 9:20 PM on 9/8/26

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40 Terms

1

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ammonium

NH₄⁺

2

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phosphate

PO₄³⁻

3

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acetate

C₂H₃O₂⁻ or CH₃COO⁻

4

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hydroxide

OH⁻

5

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carbonate

CO₃²⁻

6

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bicarbonate

HCO₃⁻

7

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nitrate

NO₃⁻

8

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nitrite

NO₂^-

9

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sulfate

SO₄^2-

10

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sulfite

SO₃^2-

11

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ammonia

NH₃

12

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hydrochloric acid

HCl

13

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hydrobromic acid

HBr

14

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nitric acid

HNO₃

15

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sulfuric acid

H₂SO₄

16

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phosphoric acid

H₃PO₄

17

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acetic acid

CH₃COOH or HC₂H₃O₂

18

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mercury

Hg₂²⁺

19

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hydrogen sulfate (bisulfate)

HSO₄^-

20

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cyanide

CN^-

21

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hydrogen phosphate

HPO₄^2-

22

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dihydrogen phosphate

H₂PO₄^-

23

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thiocyanate

SCN^-

24

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hydrogen carbonate (bicarbonate)

HCO₃^-

25

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hypochlorite

ClO^-

26

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chlorite

ClO₂^-

27

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chlorate

ClO₃^-

28

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perchlorate

ClO₄^-

29

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permanganate

MnO₄^-

30

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dichromate

Cr₂O₇^2-

31

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peroxide

O₂^2-

32

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oxalate

C₂O₄^2-

33

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thiosulfate

S₂O₃^2-

34

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hypo- -ous acid/cation

hypo- -ite anion

35

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-ous acid/cation

-ite anion

36

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-ic acid/cation

-ate anion

37

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per- -ic acid/cation

per- -ate anion

38

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hydroiodic acid

HI

39

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perchloric acid

HClO₄

40

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chloric acid

HClO₃