Common Polyatomic Ions (mostly anions + ammonium + stable transition metals)

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33 Terms

1
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Hg2 2+

Mercury(I)

2
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SCN -1

Thiocyanate

3
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NH4 +1

Ammonium

4
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CO3 2-

Carbonate

5
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C2H3O2 -1 or CH3COO -1

Acetate

6
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CrO4 2-

Chromate

7
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CN -1

Cyanide

8
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Cr2O7 2-

Dichromate

9
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H2PO4 -1

Dihydrogen Phosphate

10
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HPO4 2-

Hydrogen Phosphate

11
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OH -1

Hydroxide

12
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C2O4 2-

Oxalate

13
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HCO3 -1

Hydrogen Carbonate

14
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O2 2-

Peroxide

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NO3 -1

Nitrate

16
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SO3 2-

Sulfite

17
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NO2 -1

Nitrite

18
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SO4 2-

Sulfate

19
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ClO -1 or OCl -1

Hypochlorite

20
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S2O3 2-

Thiosulfate

21
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ClO2 -1

Chlorite

22
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PO3 3-

Phosphite

23
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ClO3 -1

Chlorate

24
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PO4 3-

Phosphate

25
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ClO4 -1

Perchlorate

26
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MnO4 -1

Permanganate

27
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SeO4 2-

Selenate

28
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Br03 -1

Bromate

29
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BrO2 -1

Bromite

30
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Silver (Ag)

Forms a +1 ion

31
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Cadmium (Cd)

Forms a 2+ ion

32
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Nickel (Ni)

Forms a 2+ ion

33
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Zinc (Zn)

Forms a 2+ ion