Common Polyatomic Ions
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Vocabulary flashcards covering 28 common polyatomic ions and their chemical formulas.
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28 Terms
1
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Ammonium
NH₄⁺
2
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Cyanide
CN⁻
3
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Hydronium
H₃O⁺
4
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Nitrate
NO₃⁻
5
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Acetate
CH₃COO⁻ (also written C₂H₃O₂⁻)
6
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Permanganate
MnO₄⁻
7
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Chlorate
ClO₃⁻
8
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Sulfate
SO₄²⁻
9
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Carbonate
CO₃²⁻
10
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Chromate
CrO₄²⁻
11
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Dichromate
Cr₂O₇²⁻
12
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Peroxide
O₂²⁻
13
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Phosphate
PO₄³⁻
14
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Silicate
SiO₃²⁻
15
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Bromate
BrO₃⁻
16
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Iodate
IO₃⁻
17
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Mercury(I) (Mercurous)
Hg₂²⁺
18
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Azide
N₃⁻
19
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Sulfite
SO₃²⁻
20
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Phosphite
PO₃³⁻
21
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Chlorite
ClO₂⁻
22
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Oxalate
C₂O₄²⁻
23
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Bicarbonate (Hydrogen carbonate)
HCO₃⁻
24
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Perchlorate
ClO₄⁻
25
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Hypochlorite
ClO⁻
26
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Bisulfate (Hydrogen sulfate)
HSO₄⁻
27
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Hydrogen phosphate
HPO₄²⁻
28
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Dihydrogen phosphate
H₂PO₄⁻
Note 
Flashcards (22)